Ключевые слова: attention, bucket, building, caution, cleaner, cleaning, cleanup, dirty, floor, grunge, handle, health, hygiene, industrial, interior, janitor, janitorial, maintenance, mop, mopping, neaten, office, old, people, plastic, room, safety, sanitize, service, sign, slip, slippery, stair, sweep, symbol, tool, wall, warning, wet, wheels, white, work, yellow,