if a ergonal insulator / an preposition is exposed to a sink of light then that insulator / that preposition june become hot / warm
warmth is not hotness. heat_of_formation is heat. heat is what_makes_hot. warmth is hotness. hot_air is air. heat_of_formation is not heat. hot_tub has hot_water_in hot_water is predicament. warm_up is preparation. heat_pump is apparatus.