Ключевые слова: based, black, box, broken, bubble, building, carton, contour, danger, delivery, electric, emergency, energy, fahrenheit, farm, food, fragile, green, hazard, help, hot, hour, icon, industrial, industry, isolated, line, linear, magnifying, mark, medical, outline, power, question, search, set, sign, speech, star, temperature, time, toxic, triangle, umbrella, vegetarian, wheat, yellow,