Word: slagging
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...rate least popular in the Confidential Guide, a majority of the students damning them as ill-taught, dull and unnecessary. The resentment erupts, forms into a formal protest, spills over into Faculty Committee and the Student Council meetings, and finally becomes another layer on the already ample pile of slag burying the problem. This process takes about four years each round...
...only does Chemico's process promise to boost the output of cobalt, but Engineer Roberts says it works equally well with other low-grade ores such as nickel, copper and manganese (but not as yet with iron ores). Moreover, by reducing the amount formerly lost in slag, he says it can increase the pure metal recovered from scrap as much as 15% for copper, 70% for zinc. He predicted it could eventually cut the production costs of cobalt up to 80%, copper and nickel as much...
Ruin & Rubble. The Hungnam dock area itself was already a torn and twisted slag heap of rubble and debris left earlier by U.S. strategic bombing attacks. The concrete warehouses at the dockside had somehow escaped major damage, but most of the rest of the port facilities were in complete ruin-huge gas storage tanks crumpled up like discarded beer cans, power plants stripped of their heavy, concrete walls, their generators rusting slowly away beneath alternate snow and freezing rain. Here & there stood long lines of brand-new, Japanese-made freight cars, their gleaming white sides neatly marked with the insignia...
Open-hearth furnaces melt together pig iron, scrap steel, iron ore and limestone. The carbon is oxidized by the oxygen in the iron ore and goes up the stack as carbon dioxide. Other impurities are absorbed by the limestone slag on the surface of the molten iron. U.S. Steel's new "Turbo-Hearth" furnace blows jets of air across the surface of a pool of molten pig iron. The oxygen in the air combines with the impurities, removes them from the iron, turns the iron to low-carbon steel. This method is not very different from the Bessemer process...
...Little Brat." Bevan was born 51 years ago in the Welsh hills which are slag-pocked and crumpled like a tattered old flannel blanket. The names of his brothers & sisters sounded like a Celtic fairy tale-Blodwyn, Myfanwy, Arianwen, lorwerth. There was nothing romantic about the Bevans' tiny four-room house with its sanded floor. "There were never less than seven of us in the house, and an invalid relative occupied one room," recalls Bevan, now the King's minister in charge of housing. He was an avid reader. As he trudged along Tredegar's streets...