Ключевые слова: abstract, art, background, blue, business, chronometer, circle, clock, cog, cogwheel, color, colorful, concept, contour, deadline, design, gear, graphic, hour, icon, illustration, isolated, line, linear, lineart, machine, management, mechanical, mechanism, metal, metallic, minute, number, object, outline, productivity, sign, steel, stopwatch, symbol, technology, time, timer, watch, wheel, white,