Metalworking machines; roll forming machines and their parts; roll forming tools [machines]; punching machines and their parts; cutting machines [for metalworking] and their parts; metal cutting machines and their parts; laser cutting machines and their parts; sheet metal perforation lines machines; machine tools; metalworking machine tools; machine parts, namely, slave cylinders, mechanical sheet metal feeders, mechanical sheet metal straighteners; metal cutting tools [parts of machines]; cutting devices being parts of machines; tensioning pieces being parts of machines; shaping and molding machines and their parts; precision machine tools being parts of sets; system control instruments (mechanical -); packaging machines and their parts; trimming machines and their parts; stands for machines and finishing machines; bending machines and their parts; molding machines and their parts; cutting tools being parts of machines; cutters [machine]; punches for punching machines; guards [part of machines]; knives [part of machines]; feeders [parts of machines]; metal drawing machines and their parts; blades [part of machines]; grinding machines and their parts; tools [part of machines]; control mechanisms for machines, engines or motors; sorting machines for industry and their parts; numerically controlled machine tools; guides for machines; printing machines for use on sheet metal and their parts; shredders [machines] for industrial use; drilling machines and their parts; presses [machines for industrial purpose]; cutting machines and their parts; assembly lines, namely, a series of machines for assembling metallic products, metallic furniture, blinds, doors, windows in successive stages