Ключевые слова: alarm, alert, attention, background, banner, beware, blank, border, button, caution, chemical, chemistry, close, communication, copy, danger, dangerous, empty, explosion, field, forest, grass, green, hazard, icon, industry, isolated, landscape, message, minefield, mining, nature, nuclear, poison, radiation, radioactive, red, risk, safety, security, sign, skull, space, sticker, stop, summer, symbol, toxic, war, warning,