Ключевые слова: abstract, arrow, background, barrier, black, blank, car, competition, construction, corner, cup, danger, development, dirty, equipment, foot, horizontal, industrial, label, leg, mark, old, outdoors, race, risk, road, roadside, scene, shape, side, sign, site, space, stop, street, striped, surface, symbol, team, texture, track, traffic, view, wall, warning, white, work, yellow,