Ключевые слова: adult, background, building, camera, cctv, construction, control, detection, electrical, electrician, electronic, equipment, fitting, fixing, hand, holding, house, indoors, installation, installing, internet, lens, machinery, male, man, mend, monitoring, observe, people, person, precaution, professional, protection, repair, repairman, safety, security, service, setup, skill, spy, surveillance, survey, system, technician, technology, television, video, watch, working,