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 important symptoms are difficulty swallowing, painful swallowing, chest pain, anemia, weight loss or intestinal bleeding. Excess burping can also be caused by a hiatal hernia. A lot of burping may seem funny, but now you know that it can be a sign of cancer and thus warrants a medical checkup.