There are three distinct types of muscles: skeletal muscles, cardiac or heart muscles, and smooth (non-striated) muscles.
HVAC technicians are responsible for the installation, maintenance and repair of heating, ventilation and air conditioning (HVAC) systems. As an HVAC technician, your job duties may include inspecting existing systems and making recommendations intended to improve the efficiency and/or safety of that system's performance. HVAC-R techs may also work on refrigeration systems.
Below is a quick list of the job duties that you should expect when working as a phlebotomy technician and form the phlebotomist job description in full: 1  collect blood samples from patients. 2  practice proper patient identification, especially when working on hospital floors. 3  label vials with patient names and dates.