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.
Belching, or burping, is your body's way of expelling excess air from your upper digestive tract. Most belching is caused by swallowing excess air. This air most often never even reaches the stomach but accumulates in the esophagus.