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

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