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.
You must fulfill these requirements in order to be an ER tech: 1  18 years old. 2  High school diploma or GED. 3  Current cardiopulmonary resuscitation certification.  Completion of a CNA or EMT educational 1  program. CNA or EMT certification.  Be able to function accurately, professionally and compassionately under pressure.