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.
Persistent belching could be a sign of digestive conditions that require medical treatment. Some examples are delayed gastric emptying (gastroparesis) and peptic ulcer disease (painful sores in the stomach lining). Gallstones and gallbladder problems can, in some cases, cause symptoms such as belching. Even more rarely, cancer of the stomach or the oesophagus can explain the severe burping. If the burping is persistent and accompanied by symptoms such as nausea, pain, bloody stools, weight loss or fever, you should consult a doctor. 7 tips to prevent excessive belching and burping