machine tools, parts and components of machines for general industrial use, namely, plates, rods, wheels, cylinders, rollers, castors, pulleys and belts for rollers and cylinders, bearings and bushings for machines, conductor boxes, brackets, slides, sliding plates and rods, guides, guiding strips and rods, lathes, chain guides, belt guides, automatic chain and belt tensioners, driving plates, drive mechanisms, cog wheels, gears, gear boxes, cams, cam discs, distributor units, centering pins,...