Air distribution units for pneumatically driven pumps; Air filters for pneumatic controls being part of machines; Cylinders for machines; Machine parts, namely, joints and joint parts for connecting sliding strips, plates and guides; Mechanical seals in the nature of sealing joints for vehicle engines; Oil-water separators for pneumatic controls being part of machines; Parts for compressed-air tools, namely, brakes, filters, hoses, pipes, couplings valves, switches, compressors, clamping tools and injectors; Parts for pneumatic blow guns, namely, inflator tips, inflator valves, valve adapters, nozzles, nipples, couplers, connectors and pivots; Pneumatic air preparation equipment, namely, airline filters, lubricators, and regulators, all being parts of machines; Pneumatic blow guns for use in a manufacturing process to blow dust off parts, workstations or wherever necessary; Valves as machine components