Types. Strength training uses resistance to muscular contraction to tone muscles and burn calories. You can use your own body via push-ups, squats or abdominal crunches, or use free weights such as dumbbells or resistance bands.
Related Articles. Water purification technicians, also known as water and wastewater treatment specialists, have a dual role in the community. They not only ensure the water coming from your tap is clean and safe but also ensure the water recovered from sewers returns to the environment without harmful chemicals, compounds and elements.
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.