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.
Exercises to prevent cramps. To reduce your risk of getting leg cramps in the future, you should do exercises to stretch the affected muscles three times a day. For example, if your calf muscles are affected by cramps, the following exercise should be beneficial: stand about a metre away from a wall.