Diggers (machines); Earth diggers (machines); Industrial vacuum machines for cleaning; Apparatus for cleaning conduits; Apparatus for cleaning pipes; Apparatus for cleaning tubes; Apparatus for the cleaning of conduits; Apparatus for the cleaning of pipelines; Cleaning machines for pipe-lines; Industrial cleaning apparatus for cleaning pipes; Industrial cleaning machines; Machines for cleaning ditches; Machines for cleaning waterways; Pressure cleaning machines; Operating apparatus for vacuum pumps; Pressure vacuum pumps; Vacuum pumps (machines); Mud catchers and collectors (machines); Liquid waste removal apparatus; Liquid waste removal machines; Mechanically operated waste disposal apparatus; Waste disposal apparatus; Waste disposal machines; Suction apparatus for industrial purposes for the removal of liquid

Apparatus for locating electrical cables; Devices for locating underground cables; Devices for locating underground pipelines; Devices for locating underground utility lines

Apparatus for sweeping and cleaning swimming pools including automatically operated apparatus and parts of such apparatus