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Paired Passage #2
Charles Martin Hall & Aluminum Recycling
Question | Answer |
---|---|
inexpensively | in a way that doesn't cost a great deal |
ore | a metal-bearing mineral or rock, or a native metal, that can be mined at a profit |
confident | sure of one's self |
industry | the aggregate of manufacturing or technically productive enterprises in a particular field |
recycled | to undergo reuse or renewal; be subject to or suitable for further use |
aluminum | silver-white metallic element, light in weight, ductile, malleable, and not readily corroded or tarnished, occurring combined in nature in igneous rock, shale, clay, and most soil |