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.
Fungal and bacterial foot problems like athlete's foot occur because our feet spend most of the day stuffed into shoesâwarm, dark, sweaty places are the perfect conditions for fungus to thrive. These conditions can cause dry skin on your feet, and possibly redness, blisters, itching, and peeling.[source: Medicinenet.com ]. The most common form of athlete's foot is itchy skin in between toes called toe-web infection.ungal and bacterial foot problems like athlete's foot occur because our feet spend most of the day stuffed into shoesâwarm, dark, sweaty places are the perfect conditions for fungus to thrive. These conditions can cause dry skin on your feet, and possibly redness, blisters, itching, and peeling.