| prov:value
| - s iron, copper, manganese, silver, gold, platinum, rhodium, zinc, alloys prepared from iron, copper, zinc, carbon, chromium, manganese, nickel, carbonates such as calcium carbonate, magnesium carbonate, iron carbonate, aluminum carbonate, sulfates including magnesium sulfate and calcium sulfate, hydroxides such as aluminum hydroxide, iron hydroxide, magnesium hydroxide, calcium hydroxide, and copp
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