Copper concentrate, zinc concentrate
Special gases likes, ammonia, anhydrous, arsine, boron trichloride, boron trifluoride, butadienes, butane, butylene, carbon monoxide, carbonyl fluoride, carbonyl sulfide, chlorine, cyanogen, cyanogen chloride, cyclobutane, cyclopropane, deuterium, dimethylamine, dimethyl ether, dimethylpropane, dinitrogen tetroxide, ethane, ethylacetylene, ethylamine, ethyl chloride, ethylene, ethylene oxide, ethyl fluoride, ethyl methyl ether, hydrogen bromide, hydrogen chloride, hydrogen fluoride, hydrogen iodide, hydrogen sulfide, methane, methylamine, methyl bromide, methyl chloride, methyl fluoride, methyl mercaptan, nitric oxide, nitrogen trifluoride, nitrous oxide, octafluorocyclobutane, octafluoropropane, perfluoro ethyl vinyl ether, phosgene, phosphine, silane, silicon tetrafluoride, sulfur dioxide, sulfur hexafluoride, sulfur tetrafluoride, sulfuryl fluoride, tetrafluoroethane, tetrafluoromethane, trifluoromethane, tungst
