Apparatus for cleaning conduits; Apparatus for cleaning contaminated articles; Apparatus for cleaning pipes; Apparatus for cleaning tubes; Apparatus for the cleaning of conduits; Apparatus for the cleaning of pipelines; Attrition machines for cleaning; Brush cleaning apparatus (machines); Cleaning (washing) installations; Cleaning apparatus for industrial purposes; Cleaning appliances utilizing steam; Cleaning brushes (parts of machines); Cleaning guns (pressure washing machines); Cleaning implements (electric polishing); Cleaning lances (parts of pressure washers); Cleaning machines for industrial installations; Cleaning machines for pipe-lines; Electric apparatus for cleaning; Electric apparatus for cleaning by the application of water under pressure; Electric cleaning (pressure washing) machines; Electric cleaning machines; Electric cleaning scrubbers; Electric machines for cleaning; Electric polishing (cleaning) apparatus; Electric steam cleaning apparatus; Electric steam cleaning machines; Machines and apparatus for cleaning (electric); Pressure cleaning machines; Robotic cleaning machines; Steam cleaners (machines); Tube cleaning machines; Ultrasonic cleaning apparatus