Ключевые слова: adult, beautiful, beware, board, bucket, caution, cleaner, cleaning, corridor, danger, door, employment, equipment, fall, female, floor, high, holding, housekeeper, housekeeping, housework, hygiene, indoors, janitor, job, lifestyle, maid, manual, mop, occupation, office, one, people, plastic, prevention, professional, routine, service, sign, standing, symbol, text, trolley, uniform, view, wall, wet, woman, working, young,