Ключевые слова: 3d, above, alert, attention, background, banner, barrier, black, build, business, caution, closeup, concept, cones, construction, copy, copyspace, danger, design, equipment, forbidden, group, highway, illustration, object, obstacle, orange, performance, plastic, repair, road, safety, security, sign, signal, site, space, stop, street, symbol, three, traffic, transportation, under, under construction, view, warning, wooden, work,