7 Machines and mechanical apparatus used in the chemical, pharmaceutical, plastics, rubber, textile, cosmetic and food industry, namely, mixing machines, grinding machines, kneading and granulating machines, centrifugal machines for grinding and separating, transporting machines namely, conveyors, lifting machines, and structural parts for all the aforementioned machines; chemical, pharmaceutical, plastics, rubber, textile and food processing plant systems and processing plant systems for handling bulk materials of rubber, plastics, pharmaceuticals, and textiles, comprised of conveyors for pneumatic and hydraulic transportation of bulk materials; mixing machines; discharging machines for discharging bulk materials from containers; filters for plant processing machines; machines for sorting bulk materials; pumps; ventilators; compressors; electronic controllers in the nature of machine parts; and cleaning machines, namely, dust separators