7 Anti-friction bearings for machines; Bearings, as parts of machines; Electric arc welders; Electric arc welding apparatus; Electric welding machines; Electric welding machines for metalworking; Electrodes for welding machines; Engine bearings; Gas welding machines; Laser welding machines; Machine parts, namely, bearing housings; Machine parts, namely, bearing inserts; Machine parts, namely, bearings; Machine parts, namely, roller bearings; Metal welding machines, namely, saws and cutters; Sliding bearings for machines; Welding generators; Welding torches