Compressed air pumps; Conveyor lines; Drives for vacuum pumps; Dust removing installations for cleaning purposes; Machines and lines composed thereof for the production of automobile parts, technical textiles; Parts for compressed-air tools, namely, brakes, filters, hoses, pipes, couplings valves, switches, compressors, clamping tools and injectors; Parts of oilfield wellhead machines, namely, gate valves, ball valves, check valves, plug valves, globe valves, choke and manifold industrial pum...