Bronze // Gangsa: 90% copper // kuprum, 10% tin // stanum, Brass // Loyang: 70% copper // kuprum, 30% zinc // zink, Steel // Keluli: 99% iron // ferun, 1% carbon // karbon, Stainless steel // Keluli nikarat: 74% iron // ferum, 8% carbon // karbon, 18% chromium // kromium, Duralumin: 93% aluminium, 3% copper // kuprum, 3% magnesium, 1% manganese // mangan,

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