Ключевые слова: accident, blue, broom, caretaker, carpet, caution, chair, clean, cleaner, cleaners, cleaning, closeup, danger, dust, falling, floor, holding, housekeeper, information, interior, janitor, job, male, man, manual, mop, objects, occupation, office, one, people, person, plastic, profession, safety, service, sign, slippery, standing, sweep, sweeping, symbol, uniform, warning, wet, worker, working, workplace, yellow,