Ключевые слова: adult, air, background, checking, clean, cleaning, climate, cold, condition, conditioner, cool, domestic, dust, electric, employee, engineer, equipment, filter, fix, fixing, home, house, indoors, install, job, maintenance, male, man, modern, occupation, office, open, person, profession, professional, repair, repairman, service, summer, system, technician, technology, temperature, uniform, ventilation, wall, warranty, work, worker, young,