Crucigrama THE SECONDARY SECTORVersión en línea Find some concepts related to raw materials and energy sources. por Aguasantas Cano 1 2 Natural resources which industry processes into semi-finished or finished products 3 People ready to work 4 Most commonly derived from petrochemicals 5 It is an alloy consisting primarily of copper, commonly with about 12–12.5% tin 6 7 8 It is an alloy of iron and carbon 9 10 11 12 Petroleum 2 7 9 1 3 5 4 11 6 12 8 10