Ключевые слова: attract, attraction, attractive, blue, concept, content, electric, electrical, electricity, electromagnetic, element, energy, equipment, field, force, gravity, horseshoe, icon, illustration, iron, isolated, isometric, magnet, magnetic, magnetism, magnetize, metal, metallic, north, object, physics, polarity, pole, power, science, sign, single, south, steel, symbol, technology, tool,