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.
Hereâs how to avoid it: 1  Drink plenty of fluid and get enough salt. This may reduce loss of magnesium and help prevent leg cramps. 2  If needed, supplement with magnesium. Hereâs a suggested dosage from the book The Art and Science of Low Carbohydrate Living by Drs.