Ключевые слова: blue, building, business, clean, cleaning, cleaning service, close up, commercial, corridor, detergent, disinfection, employment, equipment, floor, hallway, housekeeping, hygiene, indoors, interior, janitor, job, legs, low angle view, maintenance, modern, mop, office, professional, routine, sanitary, service, shiny, shoes, soap, sparkling, staircase, task, washing, water, wet, worker, yellow,