Cleaning of building exterior surfaces; Cleaning of buildings; Cleaning of clothing; Cleaning of commercial premises; Cleaning of external surfaces of buildings; Cleaning of facades; Cleaning of grease traps; Cleaning of industrial premises; Cleaning of residential houses; Cleaning of wells; Cleaning of offices; Floor polishing; Floor sanding; Floor treatment services, namely, application of chemical preparations to floors to make them slip-resistant for safety purposes; Painting; Painting an...