Compressed air guns for the extrusion of mastics; Electric arc welders; Electric arc welding machines; Electric welding machines; Electrodes for welding machines; Gas welding guns; Gas welding machines; Glue guns, electric; Hot adhesive guns; Hot melt glue guns; Laser welding machines; Machines for plastics working; Machines for processing plastics; Paint spray guns; Power-operated atomizers for industrial or commercial use; Welding torches