... for a whole day !IN COLD WEATHER, TO CARE YOUR SELF, PLEASE USE WARMMER PAD !IN COLD WEATHER, TO CARE YOUR LOVER, SEND HER ... , SHOW YOUR CARE !IN COLD WEATHER, TO CARE YOUR PARENTS, TO CARE OLD PEOPLE, SEND THEM WARMMER PAD !IN COLD WEATHER, TO CARE YOUR CHILDREN, ... your clothes.2. WORKING THEORYWhen heating material contact the oxygen in the air, it begin oxygenation, this process will continuely give ...