7 Parts of machines and mechanical apparatus, namely, plates for industrial use, wear plates, die plates, being parts of machines, chutes, bearings, bushings, cams, cam shafts, transmission shafts, mandrels, being machine parts, valves as machine components, liners, screw elements, shafts for screw elements, for metal, plastic, rubber, cardboard and paper processing and for the construction and construction materials industries, the food industry, the foundry industry and for photographic and cinematic laboratories; machine tools for metal, plastic, rubber, cardboard and paper processing, for the construction and construction materials industries, the food industry, the foundry industry and for photographic and cinematic laboratories; mould tools, namely, press rams, mould frames, mandel holders being parts of machines and mechanical apparatus, for metal, plastic, rubber, cardboard and paper processing and for the construction and construction materials industries, the food industry, the foundry industry and for photographic and cinematic laboratories; extruder housings for machines for industrial use; extruder housings for mechanical apparatus for industrial use; barrels for machines, in the nature of bushings for use as parts of machines; control apparatus in the nature of hydraulic, pneumatic, hydro-pneumatic controls for machines