stainless steel - a type of steel not needing a protective coating, as it doesn't rust, zinc - a metal used to make brass, and in galvanised coatings on steel, iron - the predominant metal in steel, bronze - an alloy made from copper and tin, lead - a dense, poisonous metal, hardwood - timber from deciduous trees, ore - rocks from which metals can be extracted, softwood - timber from pine trees,

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