METALWORKING MACHINE TOOLS; METALWORKING MACHINES, NAMELY, MACHINING CENTERS; MILLING MACHINES FOR METALWORKING; POWER OPERATED METALWORKING MACHINE TOOLS, NAMELY, BORING TOOLS; TOOL HOLDERS FOR METALWORKING MACHINES (MACHINE PARTS); CLAMPING AND PALLETIZATION DEVICES, NAMELY, MATERIAL HANDLING MACHINES, NAMELY, METAL CLAMPS USED FOR HOLDING PIECE PARTS ON METAL WORKING TOOLS AND PALLETIZERS