Apparatus for cleaning carpets; Apparatus for cleaning contaminated articles; Apparatus for use in cleaning buildings; Apparatus for use in cleaning carpets; Apparatus for use in cleaning floors; Carpet cleaning apparatus (electric); Carpet cleaning machines (electric); Central vacuum cleaning apparatus; Central vacuum cleaning 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 buildings; Cleaning machines for industrial installations; Electric apparatus for cleaning; Electric apparatus for cleaning (polishing) floors; Electric apparatus for cleaning (vacuuming) floors; Electric apparatus for cleaning (washing) floors; Electric apparatus for cleaning by suction (vacuuming); Electric articles for domestic cleaning; Electric carpet cleaning (shampooing) machines; Electric carpet cleaning (vacuuming) machines; Electric cleaning (polishing) machines; Electric cleaning (pressure washing) machines; Electric cleaning (shampooing) machines; Electric cleaning (vacuuming) machines; Electric cleaning apparatus; Electric cleaning installations (polishing); Electric cleaning machines; Electric cleaning scrubbers; Electric domestic cleaning apparatus; Electric steam cleaning apparatus; Electric steam cleaning machines; Electric suction cleaning apparatus for household use; Electric suction cleaning apparatus for industrial purposes; Electric suction cleaning machines; Electric suction cleaning machines for household use; Electric suction cleaning machines for industrial purposes; Electric vacuum apparatus for floor cleaning; Electric vacuum cleaning installations; Filters being parts of engines for cleaning air; Floor cleaning (polishing) machines; Floor cleaning (vacuuming) machines; Floor cleaning (washing) machines; High pressure cleaning machines; Industrial carpet cleaning machines; Industrial cleaning machines; Industrial cleaning machines (polishers); Industrial cleaning machines (shampooers); Industrial cleaning machines (vacuum cleaners); Industrial cleaning machines utilising pressure jets; Industrial dry-cleaning machines; Industrial floor cleaning (polishing) machines; Industrial floor cleaning machines; Industrial floor cleaning machines (vacuum cleaners); Industrial vacuum machines for cleaning; Jet stream devices for cleaning surfaces; Machines and apparatus for cleaning (electric); Machines for carpet cleaning; Machines for carpet cleaning (vacuuming); Machines for cleaning (vacuuming) carpets; Machines for cleaning carpets; Machines for cleaning floors by scrubbing; Machines for cleaning floors by suction; Mechanical instruments (electric) for vacuum cleaning floors; Pressure cleaning machines; Spot cleaning machines; Suction cleaning machines (vacuum cleaners); Suction cleaning machines for use in manufacture; Vacuum cleaning implements (electric); Vacuum cleaning machines for use in households