11 Mobile portable sanitary installations namely, transportable restroom units that can be set-up and dismantled for use on construction sites and at events, portable toilets, toilet cabins in the nature of non-stationary toilets with waste water tanks, trailers and containers equipped with showers or with toilets, both to provide independent sanitary facilities outside buildings; sanitary apparatus, namely, dispensers for hand sanitizer for use in or in front of toilet facilities, and sanitary installations, namely, urinals in the nature of non-stationary sanitary installations for use on construction sites and at events; waste water treatment tanks; sewage disposal plants; supply installations for drinking and service water, namely, transportable wash-hands basins, and transportable tapping points for drinking water