7 Automotive parts, namely, engine seals; Back pressure valves as parts of machines; Filters for motors and engines; Machine parts, namely, cylinders; Machine parts, namely, joints and joint parts for connecting sliding strips, plates and guides; Mechanical condensators; Oil-water separators for pneumatic controls being part of machines; Pressure regulators being parts of machines; Pressure transducers as parts of machines; Valves being parts of machines