Gases for industrial purposes; acidic substances; sulphuric acid; sodium salts; benzoic acid; toluene; alcohol; picric acid; activated carbons; radioactive elements and chemicals; rinse preparations for industrial purposes; oil dispersants; clay, included in this class; galvanizing baths; antifreeze; catalysts; chemicals for use in forestry; chemical preparations for use in agriculture and horticulture; reagent paper; fixing baths; polypropylene fertilizers; fire extinguishing compositions; metal tempering preparation; welding chemicals; wine finings; tan and leather chemicals; adhesives for industrial applications; viscose; paper pulp