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.
These are some typical job duties taken from online ads for environmental technicians positions found on Indeed.com: 1  Collect water samples from raw, semiprocessed or processed water, industrial waste water, or water from other sources to assess pollution problem.