Ключевые слова: accident, area, attention, banner, barricade, barrier, boundary, care, careful, carefully, caution, city, closeup, concept, construction, crime, danger, dangerous, disallow, equipment, fence, forbidden, investigation, lethal, pattern, plastic, police, prohibition, protect, protection, protective, public, red, restricted, restriction, ribbon, risk, safety, security, sign, stop, street, strip, stripe, striped, symbol, tape, texture, urban, white,