Ключевые слова: achieving, brush, chemical, chore, clear, clothes, colourful, colours, dirty, employment, extension, foam, goggles, help, helping, hired, hose, housekeeping, human, hygiene, image, liquid, male, manual, occupation, office, pad, person, photograph, plastic, professional, purity, room, safety, scrub, servant, service, soap, spray, staff, surface, tool, wash, washer, washing, wet, window, work, worker,