Ключевые слова: auditing, auditor, background, board, breaker, cabinet, caution, check, circuit, closeup, control, devices, electrical, electricity, electronic, engineering, equipments, examination, green, illumination, indicator, light, list, maintenance, metal, monitor, normal, off, on, panel, people, preventive, problem, protection, red, repair, room, safety, screen, selective focus, sign, signal, status, steel, sunlight, support, switch, teamwork, technical, technician, technology, texture, tool, warning, work,