Ключевые слова: app, application, attract, attraction, attractive, black, blue, color, concept, design, education, electromagnet, electromagnetic, electromagnetism, energy, flat, force, graphic, icon, idea, illustration, iron, isolated, magnet, magnetic, magnetism, natural, negative, object, opposite, physics, polarity, pole, positive, power, red, rejection, repulsion, science, shape, sign, site, symbol, technology, web, website, white,