Welding machines including resistance welding machines, spot welding machines, seam welding machines, straight flash welding machines, wire resistance butt welding machines and flash welding machines, track welding installations, contact welding machines, grid welding installations for grids for reinforcing concrete and for industrial grids, radiator welding plant, multi-point spot welding machines, wire welding machines, transverse seam welding machines, machines for welding in supporting members, nipple welding machines, spacer welding machines, loop hanger welding machines; soldering machines, contact soldering machines, transport apparatus including transport apparatus for feeding and removing work pieces, table rollers, roller conveying apparatus, turntables, cross tables, machines for processing rails; strip uncoiling machines, stamping machines and tools therefor, bending presses and tools therefor, sorting apparatus, wire feeding apparatus, mat stacking robots, shears including shears for mats and transverse cutting shears, wire straightening machines; uncoiling machines for sheet metal, presses for semi-monocoque manufacture, edge sealing apparatus, strip coiling machines for transformer coils, all being goods in class 7