... , communication, Medicare and routine life, such as ventilator, heater, heating auxiliary to air-conditioner, industrial drier, air dryer ... direct/curving hair iron, vacuum flask, electric cooker, water heater, industrial drier, electric bonder, capper, UTR cylinder condensation-proofer ... pollution, non-rupture, no weak soldering. injection molding heater, cartridge heater, ceramic heater, 220V heater