Im not too sure what the answers you have are but cotton swab and put it in a bag if you write your own
<span>All extremities of the human body, including fingers, hands, arms, toes, feet, legs, ears, and the nose, could be examined by a nurse to confirm a diagnosis of frostbite. As frostbite is a condition of the skin, any exposed area should suffice to confirm the diagnosis.</span>
I’m not sure sorry! But hope someone answers!
Im not really sure , but it might have something to do with polar chemical compound <span />