Ключевые слова: accident, alarm, belt, black, business, car, care, collection, danger, detector, equipment, extinguisher, fire, glasses, glove, helmet, icon, illustration, industry, interface, life, line, linear, mask, mobile, outline, pictogram, prevention, protection, protective, red, respirator, safe, safety, save, seat, security, set, sign, stroke, symbol, thin, ui, vest, warning, web, website, work, worker,