... and other trades.For instance : butane dicarboxylic acid, alum, aluminium hydroxide, ammonium hydrogencarbonate, ammonium chloride, ammonium nitrate, ammonium sulphate, anthracene, antibiotics ... sulphate, benzene, blood products, blue vitriol, borax, boric acid, calcium carbonate, calcium hydroxide, calcium nitrate, calcium oxalate, casen, celluloe, chrome yellow, clay, methyl cellulose, corundum ...