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.
Other Causes of Excessive Burping. 1  Duodenal ulcers. 2  Cholecystitis or gallbladder pain. 3  Depression or anxiety.  Stomach 1  cancer. Swallowing air while eating.  Dyspepsia can be side of effect of medicines such as aspirin, antibiotics, steroids, theophylline and digoxin.