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Treadmill Machine Without Electricity A treadmill is an excellent cardio machine for walking, running and even for interval training. This treadmill comes with a flat belt with incline settings, as well as a screen that displays time, speed distance, calories, and distance burned. It also has a cord that is hard to reach for children, which may keep them from accidentally strangling themselves. This is a problem that motorized treadmills are susceptible to. Safety Features A treadmi
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