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.
What Chemical Technicians do: 1  Maintain, clean, or sterilize laboratory instruments or equipment. 2  Provide and maintain a safe work environment by participating in safety programs, committees, or teams and by conducting laboratory or plant safety audits. Provide technical support or assistance to chemists or engineers. 2  Compile and interpret results of tests and analyses. 3  Develop or conduct programs of sampling and analysis to maintain quality standards of raw materials, chemical intermediates, or products.