Ключевые слова: air, appliance, background, breath, breathing, brush, change, clean, cleaning, condition, conditioner, conditioning, cool, dirty, dust, equipment, filter, fix, fixing, foreman, home, household, housewife, indoor, maintenance, man, office, people, person, pollution, professional, remove, repair, repairman, replace, service, temperature, unhealthy, unit, wall, work,