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 caused by a build up of air in the stomach that has been swallowed, so reducing the amount of air you swallow will reduce the amount you burp. Certain foods can weaken an important valve that's designed to keep food and wind in your stomach.