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.
Frequent burping may indicate that you are swallowing too much air, or it may indicate the presence of a more serious problem such as gastroesophageal reflux disease (aka GERD), peptic ulcer disease, gastroparesis or gastritis, or H Pylori infection.