Ключевые слова: amplifier, audio, background, board, circuit, closeup, closeup component, connection, control, electric, electrical, electrician, electricity, electronic, electronics, energy, engineer, engineering, equipment, hand, industrial, industry, instrument, lab, maintenance, measurement, measuring, measurments, motherboard, multimeter, panel, part, person, probe, professional, repair, repairman, service, tech, technical technician, technology, test, testing, toned, tool, torroid, wire, work, worker, young,