Air compressors; Air filters for mechanical purposes; Brakes for industrial machines; Centrifugal compressors; Compressors as parts of machines, motors and engines; Downhole oil separators for submersible pumps; Filter elements for fuel filters; Filters for motors and engines; Gas compressors; Industrial engines; Mineworking machines; Mowing and reaping machines; Oil filters; Oil filters for mechanical purposes; Oil filters for motors and engines; Oil separators; Parts of oilfield wellhead machines, namely, gate valves, ball valves, check valves, plug valves, globe valves, choke and manifold industrial pumps, pump and valve parts, pipe fittings and flanges; Pneumatic air preparation equipment, namely, airline filters, lubricators, and regulators, all being parts of machines; Power tool parts, namely, wetting devices, regulating devices, safety valves, air filters and air valves; Valves as machine components