Answer: You can have 50 geo-fences for each GPS vehicle tracking device and 50 global geo-fences per account. Each geo-fence is square and centered around an address that you specify.
1 Almost everyone experiences a muscle cramp at some time in their life. 2  There are a variety of types and causes of muscle cramps. 3  Numerous medicines can cause muscle cramps. 4  Most muscle cramps can be stopped if the muscle can be stretched.
1 Nuts such as almonds and foods like tofu and sardines are rich in calcium as well. 2  Research indicates that magnesium-rich foods can also prevent leg cramps. 3  Add green leafy vegetables such as spinach and kale along with wheat germ and pumpkin seeds to increase your magnesium levels.