Ключевые слова: alert, board, chip, circuit, circuitry, component, components, connection, danger, design, device, diagnostics, digital, electrical, electronics, engineering, equipment, error, failure, fault, hardware, illuminated, indicator, innovation, light, maintenance, malfunction, microchip, nanotechnology, necessary, power, red, repair, safety, signal, surface, symbol, system, tech, technology, troubleshooting, visual, warning,