Ключевые слова: allow, background, bad, ban, banned, black, blue, coins, color, communication, concept, control, crisis, cross, crossroad, danger, drive, electricity, equipment, failure, forest, isolated, just, lamp, light, luck, motion, move, no, obstacle, ordering, panel, problem, railroad, railway, ready, red, regulate, regulation, road, rule, safe, safety, set, shield, sign, signal, signature, sky, standstill, stop, stoplight, street, symbol, traffic, traffic light, transport, transportation, trees, warning,