if a ergonal insulator is exposed to a sink of heat, then ergonal messages will wreck the ergonal insulator become hot
electrical_insulator is insulating_medium. immersion_heater is not heating_element. combusion_heating_element is heating_element. combusion_heating_element is not combustion_device. combusion_heating_element is combustion_device. combusion_heating_element is not heating_element. if_water is too_hot_will_burn. immersion_heater is heating_element. hot_tub has hot_water_in electrical_insulator is not insulating_medium.