Aerating pumps for aquaria; Aquarium pumps; Automatic electrostatic-paint sprayers; Cutting machines; Cutting torches; Electric arc welding machines; Electric plasma cutters; Electric sanders; Grating machines for vegetables; Grinding and polishing machines; Industrial robots; Laser welding machines; Oxy-acetylene welding and cutting machines; Paint spray guns; Plasma cutting machines; Plastic jet moulding machines; Welding torches