The wart is frozen until it and 1 to 2 mm of surrounding skin have turned white (Figure 15) . A repeat freeze after thawing causes more effective tissue destruction than a single freeze. The affected tissue turns red or blisters over the next one to two days, then gradually sloughs off over the following weeks.
Hermana is in Spanish. It is the Spanish word for sister..
Stephen L. Herman is a retired electrician and teacher with more than 30 years of experience to his credit. A seasoned author, his reader-friendly textbooks on electricity and mathematics are popular with students and instructors alike.