Ключевые слова: abstract, art, blue, business, buy, chemist, circle, cogwheel, concept, contactless, contour, design, flask, gear, glowing, graphic, icon, idea, illustration, isolated, jigsaw, light, line, linear, lineart, management, mechanism, neon, nfc, object, outline, part, pay, piece, science, sign, smart, smartwatch, symbol, teamwork, technology, test, time, transaction, tube, watch, wheel, white, wireless,