The British thermal unit (BTU or Btu) is a traditional unit of work equal to about 1055 joules. It is the amount of work needed to raise the temperature of one pound of water by one degree Fahrenheit (Physical analogue: one four-inch wooden kitchen match consumed completely generates approximately 1 BTU).
Blisters on feet can be caused by numerous things, including: 1  Forceful rubbing or friction on the foot. 2  Bone spurs or exostoses. 3  Burn. Freezing.  Chemical 1  exposure. Infection.  Allergic 1  reaction. Pinching  skin. Medical 1  condition. Foot perspiration.  Fungal infections such as Athletes foot.
Feet smell when bacteria on the skin break down sweat as it comes from the pores. A cheesy smell is released as the sweat decomposes. The main causes of sweaty and smelly feet are: 1  Wearing the same shoes every day. 2  Feet become smelly if sweat soaks into the shoes and you wear them again before they are dry.