Ключевые слова: access, accessibility, accessible, allow, attention, ban, barrier, caution, chain, concept, concrete, danger, disability, entrance, entry, fluorescent, forbidden, ground, hazard, hook, illegal, industrial, information, keep, keep out, metal, mobility, no, no access, not, notice, off, out, prohibited, prohibition, regulation, restricted, restriction, rule, rusty, safety, sign, stop, symbol, urban, warn, warning, work, yellow, zone,