Moisturisers and steroids come as lotions, creams or ointments and have varying water and oil content. Lotions are easy to apply over large areas of skin and are suitable for hairy or weepy areas. Creams and ointments are thicker and can be messy to apply.
Coursework Overview. In most cases, when you want to become an instrumentation technician, you will earn an Associate of Applied Science degree and a certification that qualifies you to work in that field.
Working to diagnose health problems is a rewarding career for most people. To become a mammography technologist or technician, you will first need to become a radiologic technologist, more commonly known as an X-ray technician, by attending a two-year program. Mammography -- the study of breast tissue -- requires additional training and certification.