Natural Resource Man-made product Trees paper, timber, furniture, fuel Oil, coal, natural gas plastic Iron ore, coal, limestone steel products Bauxite ore aluminium products Silica, soda ash, limestone glass Trees timber/furniture, fuel Cotton plant clothing, packaging, shelter Gas, coal, oil, petroleum fuel Gold jewellery, dental materials Copper wire, coins, electrical equipment Manganese steel, cast iron Cobalt steel, jet engine parts, cutting tools Platinum air pollution control, telecommunications equipment, jewellery Chromium stainless steel, green glass, gems, leather treatment Diamonds jewellery, mechanical equipment