What is used in the process of removing male genitals in a transgender person?

To remove male genitals in a trans-gender operation aka ( sex reassignment surgery). People have this done when they feel they were born the wrong sex and wish to correct it by having their genitals replaced with the opposite sex. The first step is prior to surgery the individual has some kind of hormone therapy. There may be some other plastic surgery such as breast augmentation. Then there is usually a combination of surgeries performed, Penectomy, Orchiectomy, and some form of vaginoplasty.