if a ergonal insulator is exposed to a sink of heat, then ergonal messages will wreck the ergonal insulator become hot
heat_lamp is electric_heater. heat_pump is apparatus. combusion_heating_element is heating_element. combusion_heating_element is combustion_device. electrical_insulator is insulating_medium. if fuse occurs then heat occurs. heat_sink is conductor. hot_tub has hot_water_in immersion_heater is heating_element. if_water is too_hot_will_burn.