Ключевые слова: app, application, attract, blue, concept, design, electric, electricity, electromagnet, electromagnetic, electromagnetism, energy, equipment, field, flat, force, graphic, gravity, horseshoe, icon, idea, illustration, iron, isolated, lightning, magnet, magnetic, magnetism, magnetize, metallic, negative, object, opposite, outline, physics, polarity, pole, positive, power, science, shape, sign, steel, symbol, technology, tool, waves, web, website,