machine parts, namely, acme screws; machine parts, namely, ball screws; machine parts, namely, roller screws; machine parts, namely, acme nuts; machine parts, namely, ball nuts; machine parts, namely, linear bearings; machine parts, namely, shafting; machine parts, namely, rails; machine parts, namely, supports for shafts and bearings; machine parts, namely, pillow blocks; machine parts, namely, carriages for movement along rails; machine parts, namely, screw jacks; linear actuators; linear motion machines for moving objects
Machinery