Machine tools, namely, rotary dies for cutting boxes for packaging industry; Machines for the production of mineral water; Material handling machines, namely, palletizers, case elevators, automatic pallet dispensing machines and automatic slip sheet dispensing machines; Mounting hangers adapted for exhaust systems for internal combustion engines; Oil field equipment, namely, drilling rig mechanical handling machines and devices; Oil field equipment, namely, drilling rig mechanization machines and devices; Power drill bit extensions; Self-lubricating mechanical friction parts, especially of composite materials, namely, wear rings, washers, bushings, spherical bearings, bearing pads, sliding blocks and machine transmission gears all for load bearing machines, conveyors, handling trucks and machines, lifting machines, agricultural machinery, construction equipment machines and hydraulic turbines; Vehicle body and frame alignment machines and structural replacement parts therefor