Ключевые слова: almost, attention, background, banner, barrier, bars, black, bone, caution, danger, dangerous, dead, death, disease, element, exclamation, fence, guard, head, icon, illustration, image, information, injury, instructions, metal, pest, poison, prohibition, realistic, reminders, risk, safety, sign, signal, skull, stripe, symbol, tape, top, toxin, triangle, warning, weather, yellow,