Machines and installations comprised thereof for processing liquids, solids and gases for general industrial use, including centrifuges, clarifiers, classifiers, cyclones, decanters, dewatering machines, diffusers, extraction towers, rotary vacuum drum filtering machines, disc filtering machines, pressure belt drum filtering machines, horizontal belt filtering machines, rigid belt filtering machines and pressure filtering machines, flocculators, flotation machines, hydrocyclones, liquid separating machines, mixers, centrifugal pumps and diaphragm pumps, all pumps being for general industrial use including mixing, reacting, homogenizing, dispersing, disintegrating and macerating, repulpers, screening machines, sieve bends, settlers, slakers, mechanized mixing tanks, thickeners, and wash machines

Machines to mix and/or separate substances, liquids and gases for use in metallurgical, chemical, technical and related industries, as well as for purifying sewage and waste water, including thickeners, clarifiers, settling tanks, mixing tanks, aeration tanks, sludge mixers, digesters, liquid separators, flocculators, vacuum clarifiers, washing equipment, pumps, diffusers, sludge distribution equipment, classifying equipment, sludge handling equipment, sugar and sugar juice handling equipment, float and sink apparatus, pumping installations, membrane separation equipment, screening equipment, sieve bends, hydrocyclones, centrifuges, mining equipment, all being in the nature of machinery, machines and parts of machines

Installations to mix and/or separate substances, liquids and gases for use in metallurgical, chemical, technical and related industries, as well as for purifying sewage and waste water, all being in the nature of filters; furnaces or reactors for contacting gases and solids and water handling equipment.