lead refiningの例文

• MIM Holdings was responsible for several significant technological advances in the mining industry, including the Isa Process tank house technology, developed at its subsidiary Copper Refineries Pty Limited in Townsville, Queensland; the Bottom-blown oxygen converter ( " BBOC TM " ) developed at its lead refining subsidiary, Britannia Refined Metals, at Northfleet in England; and the ISASMELT top-entry submerged lance smelting process, Jameson Cell flotation technology, and the IsaMill fine grinding technology, all developed at its Mount Isa Mines Limited operations in Mount Isa.