As every body motion system for cells. All body parts were synthetic energy and renewable energy. Make the body strength. A good exercise and good health and meets the principles of sufficiency economy is to make everyday work have to exercise, such as watering plants. Working at home The walk to work. Walking up and down stairs rather than using an elevator or sit there working to relax the arm swing to move beef shoulders and chest muscles. These things can be done without waste or waste of time that is often a pretext for not exercising.