Ключевые слова: arc, arch, attract, attraction, bipolar, black, bolt, button, current, curve, curvy, design, device, electric, electricity, electromagnetic, emblem, equipment, flat, graphic, gravitation, gravity, horseshoe, icon, illustration, isolated, label, lightning, magnet, magnetic, magnetism, magnetize, magnetizing, mark, physical, physics, pictogram, polarity, pole, power, science, semicircle, sign, silhouette, steel, symbol, technology, tool, voltage,