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