Bending machines; Bookbinding machines for industrial purposes; Centrifugal machines; Concrete mixers; Concrete vibrators; Electric garlic peeling machines; Electric knife sharpeners; Electrical juice extractors for fruit; Filling machines; Grain husking machines; Hot melt glue guns; Industrial paper cutting machines; Mixing machines; Paint spray guns; Paper shredding machines; Sandblasting guns; Servo motors; Strapping machines; Swimming pool vacuum cleaners; Welding apparatus, gas-operated