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Monthly Archives: April 2012
horizontal impact crusher
horizontal shaft impact (hsi) crusher is widely applied in primary and secondary crushing operations. it offers big crushing ratio, high reliability, uniform particle size, low maintenance and wear costs, and low downtime, etc.
the hsi crusher is mainly composed of heavy-duty impeller shaft, curtain liners, adjustable lining plate with high rotational inertia, and a horizontal rotating shaft to which a rotor is attached. the horizontal shaft is placed inside the crushing chamber, which is lined with replaceable plate hammers. the materials will be fed into the top of the chamber, and then the rotor throws the materials out against the blow bars. in this way, through repeated impacting process, the crushing operation can be finally completed to get the desired particle sizes.
horizontal impact crusher provides a large crushing ratio to reduce secondary crushing operations and improve production capacity. its firm and durable structure guarantees a long service life and constant operation as well. what’s more, each of our manufacturing process is under strict quality control system in order to ensure high performance and durability. our horizontal impact crusher is developed with accurate composition of heavy rotor design, crushing chamber and wear parts to improve crusher’s productivity and at the same time reduce operation costs.
impact crusher operation
impact crusher is a new-style high-efficiency crushing equipment. it is suitable for coarse, medium and fine crushing of a variety of materials with feeding size not more than 500mm and compressive strength less than 350mpa. usually the materials that can be crushed by impact crusher mainly involve slags, clinkers, limetsone, coal, and coke, etc. impact crusher is extensively used for secondary and tertiary crushing of different hard and medium-hard materials in the fields of energy, cement, railway, highway, construction, chemical industry and so on. normally, the particle size is adjustable, and at the same time various crushing specifications are available. the crushing ratio can reach up to 40.
how impact crusher works
during operation, the electric motor of the impact crusher will drive the rotor to rotate at a high speed. under the action of the hammer that is mounted on the rotor, the materials will be thrown to the impact device above the rotor continuously. then the materials will be rebounded from the impact lining plate to the position where the hammer has an effect, so the crushing process can be completed. the materials of large size or small size will be crushed repeatedly in the crushing chamber. the impact crusher will not stop operating until all the materials are crushed to the suitable particle size and then discharged from the discharge port.
prominent advantages of impact crusher
big feed inlet, high crushing chamber, strong adaptability to materials of high hardness, and final products with little stone dust;
the gap between the impact plate and the plate hammer is convenient for adjustment, which is beneficial for the control of particle size and grain shape;
the impact crusher is with compact structure and strong rigidity, and meanwhile the rotor is with large inertia moment;
high-chromium plate hammer features excellent impact resistance and abrasion resistance properties;
keyless connection is economical and reliable, and meanwhile brings convenience to overhaul;
complete crushing functions, high production capacity, low rate of abrasion, and high overall efficiency.
impact crusher operation and maintenance tips
impact crusher is a crushing machine of high rotation speed and large inertia moment. in order to guarantee the impact crusher operation is under normal conditions, the tips listed below should be followed:
1. before starting the impact crusher, it is suggested that you should make a rigorous testing first.
2. during the operation of the impact crusher, make sure to check the lubrication system regularly.
3. ensure a uniform feeding of materials so as to avoid large-size stones that can’t be crushed getting stuck in the crushing chamber.
4. regularly examine the operation conditions of the blow bar and replace it if necessary, so that the impact crusher can maintain a relatively long service life and thus achieve long time running.
5. make sure to keep the machine sealed in order to prevent the dust from flowing into the air.
russia gold mining
throughout the centuries, russia gold has been recovered from its ores in many ways. the top three gold producing countries in the world are south africa, the united states and australia in that order. most gold in the united states is produced at above ground surface (open pit) mines. while mining and production methods vary from location to location.
gold is produced at some mines as part of the process of mining and refining other metals, such as copper. at those operations, gold is refined to an acceptable purity as part of the copper production process.
russia gold in the rock ore were very low, in order to extract gold, the ore must be processed by gold mine processing plant. in this process, many gold mining types of equipment are used, such as gold refining and purifying equipment, but the ore firstly must be crushed and grinded, thus the gold is separated from the ore. general, using jaw crusher to crush ore first, then using cone crusher to crush ore secondly. grinding mill machine grind the crushed ore to powder. the final step is to separate glod from the ore.
russia gold crusher
gold mining machine have became an important role in gold mining industry. sbm is a professional gold mining machine manufacturer supplier in russia of gold ore crusher and gold mining crusher and gold mill machines. in gold mining, high technology gold mining equipment, such as gold detectors, elegant modern dredges, and lightweight sluices will be needed. gold crusher also refer to jaw crusher. jaw crushers is the most common gold mining equipment, and is designed to take big rocks and partially crush them down to a more workable size. a large pair of jaws would open and close crushing the ore similar to a nut cracker crushing a nut instead of just cracking it.
russia sbm is a gold mining equipments manufacturer in china, supplies all kinds of best mining equipments for gold such as gold crusher, gold grinding mill, screening machines. also, we supply mobile crushing plant for your gold mining business. our mobile crusher contained mobile jaw crusher, mobile cone crusher, mobile impact crusher.
russia gold ore processing plant
at the processing plant, gold and silver are extracted from the ore. the gold processing plant alternates between treating ore from the martha mine open pit and from the favona underground mine.
russia ore processing consists of the following stages:
addition of process water to form a slurry;
addition of lime to the ore, and cyanide solution to the slurry, to leach the gold and silver into solution;
addition of carbon to adsorb dissolved metals and remove them from the slurry;
stripping the metals from the carbon by acid washing and circulation of a caustic cyanide solution;
pumping of the barren slurry (tailings) to the tailings storage facility;
russia sbm processing plant has the capacity to treat up to 1.25 million tonnes per annum of ore.
sbm chute master fiberglass spiral chute from portec flomaster saves floor space, is economical and virtually maintenance free. it provides a safe, secure means of lowering your products. specially designed fiberglass module profiles help control the descending speed of your products. in high humidity situations, the self-starting characteristics of the gel-coated fiberglass assists products to flow freely, gently and safely.
sbm fiberglass spiral chute
fiberglass spiral chute is usually applied in these areas, airport baggage handling, distribution, centers, factories, package handling, postal/mail centers.
sbm spiral chute with skate
an efficient and effective design that utilizes gravity and skatewheels to move trays from one level to another. each module has a flat bottom with vertical sides to contain the trays/totes and assist in maintaining tray/tote orientation. product descent is controlled through the unique spiral design. it is constructed out of durable hand-laid fiberglass and is an inexpensive alternative to conventional equipment.
sbm sts spiral tote slide
the sts spiral tote slide from portec is an economical way of lowering plastic tote boxes. each sts spiral slide is specifically designed to accommodate the size and sliding characteristics of a particular plastic tote box. it is the perfect solution for applications with a continuous flow of a standardized plastic tote. the design ensures a controlled descent and the optional exit swoop ensures a smooth transition to the adjoining conveyor.
specifications of spiral chute with skate technical specifications
general description the cm-27 with skate wheels is a spiral chute consists of reinforced 90° fiberglass modules assembled to a center pole support. each module is attached to the square center pole with a steel arm. trays/tote boxes are fed into the chute at the top and are gravity fed down to the bottom. it is possible to utilize a swoop module at the end for transitioning the tray/tote box to a horizontal take-away conveyor. an efficient and effective design that utilizes skatewheels to move trays from one level to another. each module has a flat bottom with vertical sides to contain the trays/totes and assist in maintaining tray/tote orientation.
1)1499 mm overall diameter of chute excluding the outside enclosure;2)elevation drop-in per 90° is 260.35mm;3)width between sidewalls of 90° profile is 457 mm.
2)each module has a flat bottom with vertical sides to contain the trays/totes and assist in maintaining tray/tote orientation.
3)skate wheels are inserted into the flat bottom of the chute surface. material fiberglass pieces are produced using the “hand lay-up” technique for stiffness, strength, toughness and uniformity of thickness. “chopper-gun” method of construction is not acceptable.
4)the fiberglass reinforcement has laminations (layers) of fiberglass consisting of 4 layers of 42.62 ml glassmat, 2 layers of 682 ml. woven, and 1 layer of glassmat strip on bolt flanges.surfacethe gel coat shell has a highly abrasion resistant filler and an ultraviolet stabilizer. appearanceto present a uniform appearance, the painting of underside of chute is available.
module support arms
steel support arms support fiberglasss modules and attach modules to support pole.entry and exit slidesfiberglass entry slide module for tray/totes discharging off of sortation equipment is optional.fiberglass adjustable straight slide module for extending entrance or exit distances is optional.
the garnet group includes a group of minerals that have been used since the bronze age as gemstones and abrasives.garnet industrial uses: garnet sand is a good abrasive, and a common replacement for silica sand in sand blasting. alluvial garnet grains which are rounder are more suitable for such blasting treatments. mixed with very high pressure water, garnet is used to cut steel and other materials in water jets. for water jet cutting, garnet extracted from hard rock is suitable since it is more angular in form, therefore more efficient in cutting.
garnet ore mining
ferronickel is processed nickel and is vital to the stainless steel industry. it has also played a key role in the development of the automotive and aerospace industries worldwide.nickel mineral mainly includes copper-nickel sulphide and nickel oxide ore and mineral processing and processing method of them are different at all.
garnet ore mining in indonesia
ore mining in indonesia ore mining consists of preparation for mining and extracting of nickel extract. includes the activities of separating and sorting the ore until it becomes guli (shots) in the form of ferro nickel and the use of nickel which cannot be separated administratively from the mining of the nickle.
for typically shallow nickel deposits. the limonite rests atop the saprolite, is cheaper to mine and the first to be extracted followed by the saprolite. the ores usually can be easily mined and extracted using an open pit mining techniques using simple truck and shovel operations. no drilling or blasting is required. little beneficiation is required other than drying and screening and sometimes limited crushing of oversize material. in particular, the lower part of the saprolite ore is often lumpy and requires crushing to reduce it to the required size specifications.
for meet you business need, we supply you cs series cone crusher, it is widely used for ore crushing and other rock ore crushing. we have designed ball mill for ore grinding , vibrating screen for sieving.
except cone crusher and ball mill, sme crushing equipment also includes jaw crusher, impact crusher, vsi crusher. our grinding machine includes raymond mill, vertical mill, trapezium grinding machine, coarse powder mill,mtm grinding mill etc.
in addition, we recommend to you our new products, mobile crushing plant, it can be more flexible for your convenience mining.
garnet crusher is widely used for crushing garnet ore. garnet crusher is also called garnet crushing machine. as the garnet’s application in industry you should use our garnet crusher and garnet grinding mill. when you get the primary stone of garnet, it is always in different types of big block, so the garnet need to be crushed sieved and graded into various sizes and thus coated abrasives of various fineness are prepared. in the process you may be use the jaw garnet crusher, impact garnet crusher, cone garnet crusher, vsi garnet crusher, mobile garnet crusher, etc.
garnet grinding mill
garnet grinding mill is also known as garnet grinding machine. garnet grinding mill is the grinding mill that our company designed specially for garnet ore. garnet grinding machine is widely used in area like metallurgy, building materials, chemicals, mining minerals in areas such as grinding materials processing. garnet grinding mill has excellent performance in garnet grinding. what’s more, grinding mill also do well in grinding stones such as dolomite, gypsum, marble, dolomite, coal, iron ore, bauxite, copper ore, gold ore, gold ore and granite, etc. grinding machine has six series: trapezium garnet grinding mill, high pressure garnet grinding mill, ball garnet grinding mill, coarse garnet powder grinding mill, vertical garnet grinding mill, raymond garnet grinding mill and supper thin garnet grinding mill.
garnet industrial uses
garnet sand is a good abrasive, and a common replacement for silica sand in sand blasting. alluvial garnet grains which are rounder are more suitable for such blasting treatments. mixed with very high pressure water, garnet is used to cut steel and other materials in water jets. for water jet cutting, garnet extracted from hard rock is suitable since it is more angular in form, therefore more efficient in cutting.
garnet paper is favoured by cabinetmakers for finishing bare wood.garnet sand is also used for water filtration media.
as an abrasive garnet can be broadly divided in two categories, blasting grade and water jet grade. the garnet, as it is mined and collected, is crushed to finer grains; all pieces which are larger than 60 mesh (250 micrometres) are normally used for sand blasting. the pieces between 60 mesh (250 micrometres) and 200 mesh (74 micrometres) are normally used for water jet cutting. the remaining garnet pieces that are finer than 200 mesh (74 micrometres) are used for glass polishing and lapping. regardless of the application, the larger grain sizes are used for faster work and the smaller ones are used for finer finishes.
there are different kinds of abrasive garnets which can be divided based on their origin. the largest source of abrasive garnet today is garnet rich beach sand which is quite abundant on indian and australian coasts and the main producers today are seen to be australia and india.
this material is particularly popular due to its consistent supplies, huge quantities and clean material. the common problems with this material are the presence of ilmenite and chloride compounds. since the material is being naturally crushed and ground on the beaches for past centuries, the material is normally available in fine sizes only. most of the garnet at the tuticorin beach is 80 mesh, and ranges from 56 mesh to 100 mesh size.
river garnet crusher is particularly abundant in australia. the river sand garnet occurs as a placer deposit. rock garnet crusher is perhaps the garnet type used for the longest period of time. this type of garnet is produced in america, china and western india. these crystals are crushed in mills and then purified by wind blowing, magnetic separation, sieving and, if required, washing. being freshly crushed, this garnet has the sharpest edges and therefore performs far better than other kinds of garnet. both the river and the beach garnet suffer from the tumbling effect of hundreds of thousands of years which rounds off the edges.
garnet has been mined in western rajasthan for the past 200 years, but mainly for the gemstone grade stones. abrasive garnet was mainly mined as a secondary product while mining for gem garnets and was used as lapping and polishing media for the glass industries. the host rock of the garnet here is garnetiferous mica schist and the total percentage of garnet is not more than 7% to 10%, which makes the material extremely costly and non economical to extract for non-gemstone applications.
aggregate production processing
aggregate crushing plant mainly by vibrating feeder, jaw crusher, impact crusher, vibrating screen, belt conveyor and centrally electric control and other equipment components. large stone by the hopper evenly sent by the vibrating feeder jaw crusher for primary crushing, stone after crushing by the belt conveyor to the crusher for further crushing; stone after crushing by the belt conveyor sent vibrating screen sifting, screening out of several different specifications of the stone.
concrete aggregate production line
the crushers conduct a crushing operation in three stages – primary, secondary and tertiary. this ensures production of aggregates with desirable physical characteristics. using state-of-the-art cyclone washing system to wash sand, the silt content is reduced to the permissible limits.
besides coarse and fine aggregates, granular sub base and aggregate base course materials are also produced. granular sub base and aggregate base course materials comply with general specifications for roads.
aggregate crusher equipment
double machinery is a premier supplier of crushing and screening equipment, and related auxiliary equipment in china. we provide complete crushers and screen machineries for producing all types of aggregate, we also can supply the complete turn-key aggregate production circuit.
the major aggregate crusher equipment is:primary jaw crusher;secondary jaw crusher, secondary impact crusher;tertiary cone crusher, fineness cone crusher;vibrating feeder, vibrating screen, belt conveyor;complete stationary, portable, mobile aggregate crushing equipment are available. our aggregate crusher equipment with iso and ce certificates have been sold to over 100 countries around the world. besides, we have established branch offices in many countries. we have different crushing plants, our professional staff will offer suitable solutions according to your requirements.
cement rotary is the main equipment in the dry production line of clinker cement. this series of rotary kiln consist of bowl, supporting part, supporting device with catch wheel, gearing rigging, flexible kiln hood, kiln hood and kiln end sealing device, nozzle device and so on. the rotary kiln is higher than the horizon as the whole body is supported by the riding wheel with the catch wheel controlling the up and down move of the kiln body. besides the main transmission, the transmission system sets auxiliary transmission device which can keep the kiln body move when the main power is off to protect it from bending deflection. the kiln hood and kiln end sealing device adopts advanced technology which ensures the security of the sealing.
crush the zinc charging and the coke coal into powder lot less than 40. mix the zinc charging with the coke coal pro rata 1:0.30~1.35 evenly and make the mixture into granule with diameter being 8-15 mm. in the end, put the granule into the brick kiln to smelt and produce zinc oxide. this technics greatly saves the coke or fire coal. the product gained by smelting is of fine quality and high productivity.
Ultrafine Grinding Mill For Calcium Carbonate, Calcium Carbonate Powder Grinding Plant Production Line
ultrafine grinding mill for calcium carbonate
vertical roller mill is a fine powder and ultrafine powder production machine which can meet your fine particle processing, micronizing, fine dry grinding, air classification and other comminution requirements.
the scm ultrafine mill is a dry airswept media mill used for the production of fine powders typically below 45 microns. the grinding capacity is from 350kg/h to 7 tph according to different models. the feed material must be suitable for pneumatic conveying, typically all below 3 mm. in addition to kaolin and talc, calcium carbonate is used in the paper industry as a filler and coating pigment in the production of paper. since calcium carbonate is rhombohedral even when very finely ground, it is primarily used in papers with the highest degree of whiteness and good printability. examples of these are coated printing papers or highly filled copy and office papers.
calcium carbonate powder grinding plant
the feed material like crushed calcite, aragonite, vaterite is fed pneumatically through a venturieductor into the grinding mill. the particles are pulverized by a high speed agitated grinding media. the grinding media can be stainless steel, chrome steel, alumina or zirconia. the micronized particles are entrained in the air stream and exit the grinding mill in a high efficiency air classifier. the on size particles are separated and the oversize returned to the mill for regrinding.the grinding media does not discharge from the mill.
the raw materials which are used to produce calcium carbonate can be calcite, marble, limetsone,graphite, chalk, marble, travertine, dolomite, bones and teeth etc. the final powder of the grinding mill can be ground down to 3000mesh (or 5micron).
calcium carbonate grinding mill
as a professional grinding mill manufacturer in china, double machinery can supply high quality calcium carbonate crusher, grinding mills for the clients all over the world.
the calcium carbonate powder production plant for fine ground and ultrafine ground calcium carbonate consists of a ball mill, trapezium mill, or ultrafine mill in closed circuit with a high efficiency air classifier.
calcium carbonate production line
we employ highly experienced technologists who have hands on plant experience for manufacturing dry mixed mortars and plasticizers based on din, bs and astm specifications. our dedicated team of engineers works closely with our customers ensuring that the entire process of setting up the plant is made simple.
sbm machinery offers heavy duty stone crushers to handle a wide range of crushing applications from primary, secondary to tertiary, quaternary for hard rock crushing. we offer advanced, reliable, rational, proved solutions and turnkey installations for quarried stone, sand & gravel, broken concrete, mined ore minerals, demolition debris etc.
hematite crusher, milling machine, hematite processing equipment
in daily life, the steel has become a use of the most common, called the champion of the demand for the metal, a huge machine tools, agricultural machinery, automobiles, trains, ocean liners, tanks, and stationery, pots, red pen needs iron ore to cast. how hematite in high efficiency, high product yield in the refining of iron it? our production of mining equipment, construction machinery, such as jaw crusher, impact crusher, sbm cone crusher, mobile crusher, hammer breaker, as well as vertical mill, high pressure mill, ultrafine mill, raymond mill, ball mill is a very good crushing equipment and milling equipment, crushing and milling of hematite has a good application and effect. we specializes in hematite mineral processing equipment, hematite mineral processing, beneficiation process hematite, hematite mineral processing equipment price consulting services. and provide you with the most reasonable hematite mineral processing program: crusher, milling machine, jig, flotation machine.
hematite mineral processing equipment
ball mill, crusher, grinder, jaw crusher, impact crusher,flotation machine, mining flotation machine, classifier,spiral classifier, spiral classifier, high weir type machine, dryer, rotary, shaker, lifter , cone crusher, ultrafine crushing machines, magnetic separator, dry magnetic separator, wet magnetic separator, dual high-power ring gradient magnetic separator,magnetite beneficiation equipment, high frequency sieve, sieve products, efficient concentrator, spiral chute, disc granulator, a troughfeeder, energy saving ball mill.
hematite processing equipment
hematite is widely distributed among a variety of rock minerals, it appears in many finely dispersed granular igneous rocks, in exceptional circumstances, the regional metamorphic rocks form a huge block. in red sandstone, hematite quartz cement particles, and the rock color is. hematite is iron oxide, it hard again. hematite iron content up to 70% and can be a lot of output, which is the most important iron ore.
why we need hematite dressing equipment
because a large number of mineral resources development and utilization of availableresources continue to decrease, resulting in ore mining taste dwindling, smelting and otherprocessing of the follow-up dressing product quality requirements are increasing. at the same time, increasing the environmental awareness of the human. the reality of mineral processing equipment, higher and higher requirements to promote mineral processing equipment to keep the bigger, better and efficient energy-saving direction.
hematite beneficiation manufacturers
double equipment company have established a whole production chain, of which main products cover stone crushing & screening equipments: jaw crusher, cone crusher, impact crusher, vertical impact crusher, hammer crusher, vibrating feeder, oscillating screen, sand washer, belt conveyor;and grinding machinery: raymond mill, high-pressure suspension mill, ultrafine and roller mill, ball mill and so on.
american iron ore beneficiation plant for sale
in 2011, american government express that american is keen to diversify its mining sector and wants more exploration in iron-ore, manganese, coal and uranium. in the past decades, americann economy was too dependent on copper. otherwise, if the copper price falls again, the american mining industry will once again find itself in mire which could be difficult to get out of. actually, american have many high quality iron ore deposits, they are mainly fond in the center and northern zones of american, for example, the mumbwa has 190 million tons iron ore and the grade of two deposits is up to 62%. if american iron ore crushing plants can be built here, producers will get high profit easily. as professional iron ore crushing equipments manufacturer, double would like to help customers find the best solution and offer the matched equipment.
iron ore crushers for sale in american
usually the iron ore crushing plants are as follows: trucks transport the raw ore to the working site and dump the iron ore lumps to the steel hopper; then vibrating feeder classify the scrap and feed the available mineral to the jaw crusher for primary crushing process. crushed aggregates are discharged from the bottom and carried to one store pile site by belt conveyor, this site we call it transit depot. electric vibrating feeders are installed under the pile site. they feed the aggregates to the subsequent belt conveyor and the conveyor conveys them to the cone crusher. when the cone crushers crush the aggregates into small particles, they discharge them from the bottom and particles are separated from each others and the over size particles will be feed back to the cone crusher until they meet the requirements. obviously, the most commonly iron ore crushers are jaw crusher, cone crusher and matched equipments are vibrating feeder, vibrating screen and belt conveyors.
if producers want to improve the grade, they can build iron ore grinding plants and iron ore concentrating plants. at this time, ball mill are very useful. and magnetic separators, table concentrators, spiral classifiers, dryer and some other iron ore beneficiation machineries are necessary. because the iron ore beneficiation methods are quite different, the machines configures are different from each other. and only analysis element of the raw ore and do series of experiments can identify the final design, so if you are interested in build one iron ore beneficiation plant in american, please get in touch with us. we will help you solve the problems.
american iron ore industry has a bright future
limited by the american economy, in the past years, there is no iron ore production lines built in american. but it doesn’t mean there is no market, on the contrary, it is a great business chance for investors. with the government preferential policy, american iron ore industry will attract more and more investors and do great contribution to local economy.
lead ore pulverizer mill
discharged from the pulverizer mill discharge opening, the lead particles are fed to the spiral classifier for primary separating process and standard particles will be sent to next lead ore concentors,like flotation machine and thicken machines, etc. method depends on the lead production process design based on the practical situation
if you are still have some doubts and want to know more details, such as the price and the specification, just be free to contact us. chat with our engineer on-line, you can get the answer immediately. also, you can leave your requirements, we will answer you by email in within 24 hours.
lead ore pulverizer
lead ore belongs to hard metal mineral. to build one successful lead ore beneficiation plant, the design must be drafted by experienced engineers from lead processing equipment manufacturers.
double, the professional lead ore crusher manufacturer, has lead ore equipments for sale. such as lead jaw crusher, cone crusher and mobile lead crusher, ball mill, mtm trapezium mill, xzm ultrafine mill, mcf coarse powder mill and hammer mill, etc. usually the lead processing equipments contain spiral classifier, flotation machines, magnetic separator, etc.
lead pulverizer design flow
when raw lead ore are dig out from the underground or mountain, excavators transport them to the lead processing plant. then the jaw crusher, cone crusher crush the big lead ore to small size, the vibrating screens classify the crushed lead aggregates to many size range and the belt conveyors convey the classified lead ore aggregates to the store pile sites.
to produce lead ore particles, the crushed lead aggregates will be fed to the lead pulverizer mills after the lead crushing process. the vibrating feeder feed them to pulverizer mills, such as the ball mill steadily. ground by the ball mill, the particles size are able to meet the lead concentrating process requirements.