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.
Job responsibilities of a patient care technician. The main duty of a patient care technician ranges from assisting patients and helping them with daily tasks, checking blood pressure and pulse. They will also help the other medical professionals to perform a physical test.