... a good to which people with physically weak,cold and Lumbago, Arthralgia, Stomachache by cold, Physiological period ... Stomachache of women,etc.which can keep warm and health.also be sent Elders.This handy warmer ... of oil can be work about 12 hours,two cups support to 24 hours.Six functions:Ozoner’s function ... Oil,or kerosene,don’t use gasoline, alcohol and other oil,or else platina catalyst easy to ...