5.The author introducd the electric equipment design of ore smelting eutecticum engineering of ore sintering plate, stated the problemes and the countermeasures.
6.Using carburizing agent and devulcanized agent,experiment of carburisation and desulphuration for semisteel which in smelting high titanium slag by electric cooker has been studied.
8.The obtained achievement in building material industry is studied, including sintering cement with substituting coal by cokeite and smelting rockwool with substituting coke by cokeite and so on.
11.But before the short-seller's assault, the bid for the mine was widely regarded as part of a larger plan to enter aluminium smelting, steelmaking and other bits of heavy industry.
12.A smelting furnace turned iron ore from the near-by mountain into lumps of pure iron all ready for the farm's blacksmith to hammer and beat into horseshoes, pincers, tongs, crowbars, hammers, and other tools needed on the farm.
13.The smelting of iron began at New London and New Haven about 1658; in Litchfield county, Connecticut, a few years later;at Great Barrington, Massachusetts, in 1731; and near by at Lenox some thirty years after that.