Hjelpeutstyr for kjemisk industri, Anlegg og utstyr for kjemisk industri, Kjemi, farmasi og plast, Doseringsutstyr for faste stoffer, for kjemisk industri, Dosing equipment for liquids, chemical industry, Chemical industry plant and equipment, Chemicals, Pharmaceuticals & Plastics, Dosing equipment for solids, chemical industry, Ancillary equipment for the chemical industry, Amplifiers, by use