Ключевые слова: art, background, button, celsius, climate, cold, contour, degree, equipment, fahrenheit, flat, glass, goal, graphic, health, heat, high, hot, icon, illustration, instrument, isolated, line, linear, lineart, long, measurement, mercury, meteorology, object, outline, scale, science, season, shadow, sign, snow, square, summer, sun, symbol, temperature, thermometer, warm, weather, white,