7 Machines and machine elements in the nature of mixers, dryers, evaporators and process reactors for mechanical process engineering, and installations in the nature of process plants with the core competence of mixing, drying, evaporating and reacting; industrial and commercial machines and machine elements for mixing materials, in particular batch mixers, continuous mixers, ring layer mixers, conical mixers, laboratory mixers, mixers with single-sided bearings, cylinder mixers, horizontal mixers, vertical mixers; machines and machine elements in the nature of parts for the aforesaid machinery for conditioning materials, namely for mixing, homogenizing, drying, extracting, wetting, moistening, pelletizing, coating, cooling, evaporating, crystalizing, sterilizing, heat treatment and recycling materials for industrial applications in the nature of flame retardants, dust and ashes from power plants, food powders, metal powders, active pharmaceutical ingredients, starch, and cellulose, included in this class; all the aforesaid goods for use in industrial applications, in particular in the fields of building materials, chemistry, renewable energies, power plant technology, plastics and elastomers, foodstuffs, metallurgy, pharmacy, steel mills and foundries, environmental technology, and for processing piece goods and bulk goods, in particular active pharmaceutical ingredients, agricultural chemicals, ashes, battery masses, bio-fuels, building materials, carbon, carbon black, cellulose, cement mixes, chemicals, coal, composite materials, detergents, dietary supplements, drillings, dry mortar, dusts, dyestuffs, filter cake, foodstuffs, foodstuffs for animals, gels, glass powders, gum, limestone, metal powders, metals, minerals, pharmaceuticals, pigments, plastics and plastic admixtures, powder mixtures, refuse derived fuel, residues, resins, rubber, salt, sludge, soils, spices, special waste, starch, sugar, tailings, textiles, waste; spare parts and accessories for the aforesaid goods, included in this class, in particular drives, gears, helical agitators, mixing agitators, shovels, shafts, cutter heads, lifting columns, choppers, central pipes being machine parts, filter systems, vapour precipitators, discharge valves, ball segment valves, flat side valves, seals, multiple-lip seals, sliding ring seaIs, linings, inspection/cleaning hatches, samplers, vacuum systems, condensation systems, individual or plant control in the nature of control systems for the aforesaid machinery and installations