[ Machines and mechanical apparatus for sewer cleaning, gully cleaning, road cleaning, emptying of cesspits, emptying of oil separators, emptying of fat traps, in each case with or without water recycling, as well as for cleaning and disposing of substrates resulting from sewer cleaning, gully cleaning, road cleaning, emptying of cesspits, emptying of oil separators, emptying of fat traps, in particular for the recovery of purified sand, oil or fat from such substrates, and parts therefor ]

[ Electronic test and inspection apparatus, namely, electronic tank and sewer test and inspection apparatus for testing for the presence of alkaline, and for testing sewers, gullies, roads, cesspits, oil separators, fat traps, sand, fat or oil, and parts therefor ]

Land vehicles with bodies for sewer cleaning, gully cleaning, road cleaning, emptying of cesspits, emptying of oil separators, emptying of fat traps, in each case with or without water recycling, as well as for taking up and transporting dangerous goods and for transporting, cleaning and disposing of substrates resulting from sewer cleaning, gully cleaning, road cleaning, emptying of cesspits, emptying of oil separators, emptying of fat traps, in particular for the recovery of purified sand, oil or fat from such substrates and parts therefor