7 Pressure release valves for battery packs; dampers, namely, friction dampers and anti-vibration dampers, namely, gear damper, axis damper, linear damper; hydraulic door closer; vehicle engine parts, namely, crankcase breathers; oil coolers for motors and engines; filters for motors and engines; oil filters; pumps for cooling motors and generators; oil pumps for use in motors and engines; cooling pipes for land vehicles