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Abraham Darby first used coke in 1709 in Shropshire, England, to improve the yield of a smelting process. Coke is now widely used to produce carbide ceramics. Potter Josiah Wedgwood opened the first modern ceramics factory in StokeonTrent, England, in chemist Carl Josef Bayer, working for the textile industry in Russia, developed .
Electrical grounding — To connect with the ground to make the earth part of the circuit. Electrostatic precipitator — An electrical device for removing fine particles (fly ash) from combustion gases prior to release from a power plant's stack. Energy — The capacity to do work; more commonly used as an allencompassing generic term describing fuel sources used .
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Demolition hammers are similar to rotary hammers and are used in the same way in terms of delivery hammer blows. However, demolition hammers deliver hammeringaction only, unlike rotary hammers, which can also be used to bore holes. What demolition hammers lack in this regard in terms of versatility, however, they make up in punch.
The metal smelting and refining industry processes metal ores and scrap metal to obtain pure metals. The metal working industries process metals in order to manufacture machine components, machinery, instruments and tools which are needed by other industries as well as by the other different sectors of the economy.
A crusher is a machine designed to reduce large rocks into smaller rocks, gravel, or rock dust.. Crushers may be used to reduce the size, or change the form, of waste materials so they can be more easily disposed of or recycled, or to reduce the size of a solid mix of raw materials (as in rock ore), so that pieces of different composition can be differentiated.