Agricultural machines; Weeding machines; Woodworking machines; Wrapping machines; Kitchen machines, electric; Laundry washing machines; Capstans; Sewing machines; Hand-held tools, other than hand-operated; Spray guns for paint; Dynamos; Compressed air pumps; Soldering apparatus, gas-operated; Electric welding apparatus; Electric arc cutting apparatus; Gas-operated blow torches; Dust exhausting installations for cleaning purposes