Building cleaning in the properties of the district of Leer.

Building cleaning of the administrative building in Leer (see Annex 7).

Cleaning of the schools in Leer (see Annex 7).

Cleaning of the schools in the northern district including the island of Borkum (see Annex 7).

Commercial cleaning of schools in the southern district (see Annex 7).

Building cleaning of schools in the western district (see Annex 7).

Glass cleaning of all objects in lots 1 and 2 (Stadt Leer) (see Annex 7).

Glass cleaning of all objects in lots 3 to 5 (district) (see Annex 7).