Ключевые слова: accuracy, ammeter, cellphone, cellular, check, closeup, communication, connection, current, device, digital, electricity, electronic, equipment, expertise, fix, fixing, gadget, hand, human, instrument, maintenance, male, man, measurement, meter, mobile, multimeter, people, person, phone, reading, repair, repairing, screwdriver, service, skill, smartphone, technician, technology, tester, tool, voltage, voltmeter,