Ключевые слова: adult, aged, asian, basin, bathroom, chalky, chinese, concentrate, congestion, corrosion, damage, dirt, dusty, faucet, fix, hand, home, hygiene, indoor, installation, japanese, korean, male, man, men at work, metal, old, oxidation, pipe, plumber, privies, professional, repair, repairman, rust, sanitary, sediment, sink, stainless, tap, tool, trap, water, work, worker,