The cleaning of office buildings...
  - General cleaning (deep cleaning),
  - Periodically or regularly cleaning of buildings,
  - Deep cleaning of furniture,
  - Deep cleaning of carpets and floor rugs,
  - Washing glass surfaces,
  - Removal of dust,
  - Emptying garbage cans,
  - Vacuuming soft floor coverings,
  - The washing and wiping of hard floors (stone, plastic, wood, laminate),
  - The cleaning, washing and disinfection of sanitary facilities.