Ключевые слова: background, celsius, climate, cold, color, colorful, contour, degree, design, equipment, fahrenheit, filled, flat, freeze, graphic, health, heat, high, hot, icon, illustration, indicator, instrument, isolated, line, linear, lineart, measurement, medical, medicine, mercury, meteorology, object, outline, scale, season, sign, summer, symbol, temperature, thermometer, tool, warm, weather, web, winter,