Ключевые слова: abstract, background, body, business, button, closeup, column drill, concept, direction, driller, electric, electricity, energy, finger, green, hand, human, idea, illustration, industry, information, innovation, machine, male, man, modern, number, one, people, person, power, press, push, red, sign, signal, start, stop, success, switch, symbol, technology, touch, used, worker,