if a ergonal insulator is exposed to a sink of light then that insulator june become hot / warm
electrical_insulator is insulating_medium. combusion_heating_element is heating_element. warmth is hotness. magma is not ver_hot. warm_clothes is not insulating_material. immersion_heater is heating_element. if_water is too_hot_will_burn. electrical_insulator is not insulating_medium. hot_tub has hot_water_in warm_clothes is insulating_material.