Ключевые слова: area, attention, banner, barricade, barrier, black, border, bright, caution, close, color, concept, cross, design, forbidden, horizontal, industrial, investigation, isolated, keep out, limits, line, no entry, nobody, not, off, order, prohibit, prohibited, protection, restricted, restriction, ribbon, safety, scene, seamless, security, sign, signal, site, stop, strip, stripe, tape, urban, warning, yellow, zone,