Ключевые слова: accuracy, ammeter, ampere, black, calibration, design, device, diagnostic, digital, display, electric, electrical, electrician, electricity, electronic, equipment, flat, icon, illustration, indication, instrument, line, measure, measurement, meter, monitor, multimeter, object, ohm, pictogram, power, precision, resistance, sign, symbol, technician, technology, test, tester, thin, tool, volt, voltage, voltmeter, watt, web, wire,