Bronze contains significant amounts ____ copper., of, Galvanised steel is steel coated _____ zinc., with, Steel is an alloy derived _______ iron., from, Pure metals can usually be recovered ______ alloys., from, To produce stainless steel, iron is mixed _____ other metals., with, Stainless steel contains quantities _____ chromium and nickel., of, Glass tableware contains traces ______ metals, such as lead., of, When new metal is extracted ______ ore, the costs can be high., from

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