Ключевые слова: board, broom, bucket, cart, caution, cleaner, cleaning, closeup, danger, employment, equipment, fall, floor, house, housekeeper, housekeeping, housework, hygiene, janitor, job, lifestyle, low, maid, manual, mop, mopping, occupation, office, one, out, people, plastic, professional, routine, section, service, sign, slip, slippery, standing, surface, symbol, text, trolley, uniform, warning, wet, word, working, yellow,