7 Metalworking machine tools, electric pumps and air compressors, rolling bearings and replacement parts for the foregoing; machine parts, namely, ball screws, mandrels, bearings and bushings, support sleeves and mounting sleeves, winding chucks, connecting rods for pistons, drill rods and cylinders; machine motor parts, namely, pistons; driving devices for machines, namely, telescopic actuators and linear drives for machines; spindles for machine tools; driving motors other than for land vehicles; gears for machines, brakes for machines