Ключевые слова: attention, background, banner, beware, build, care, careful, caution, cautionary, close, construct, construction, danger, dangerous, dirty, emergency, empty, first, force, foto, grunge, hazard, health, is, label, layout, letter, mark, message, metal, precaution, protection, protective, rescue, road, rough, safe, safety, sh, sign, signage, square, stop, street, symbol, text, texture, traffic, unclean, warning, word, work,