Ключевые слова: arm, assembly, box, button, cabinet, circuit, component, control, danger, dielectric, distribution, electrician, electricity, energy, engineer, engineering, equipment, fuse, glove, hand, handyman, house, human, indoors, industry, man, numbers, off, panel, person, power, protection, row, rubber, safety, screwdriver, shock, short, silicone, skilled, switch, switchboard, technology, test, tilt, tool, turn, voltage, wires, works,