Quick Answer. A lightning arrester protects telecommunication and electrical power systems from damage during a lightning strike. It accomplishes this by redirecting the current in the lightning to the ground.
Bloating, burping and passing gas are natural and are usually caused by swallowed air or the breakdown of food through digestion.
Excessive burping. Burping is also referred to as eructation, ructus or belching. It may be described as the expulsion of air or gas from the stomach through the esophagus to the mouth. In some cultures, this is acceptable and is taken to mean that one is appreciating the good meal he or she has just had.