A by-product of natural gas processing and petroleum refining, it is commonly used as a fuel for engines, oxy-gas torches, portable stoves, and residential central heating. Propane is one of a group of liquefied petroleum gases (LP gases).
Signs and symptoms of appendicitis may include: 1  Sudden pain that begins on the right side of the lower abdomen. 2  Sudden pain that begins around your navel and often shifts to your lower right abdomen. 3  Pain that worsens if you cough, walk or make other jarring movements.  Nausea and vomiting.
Appendicitis is a painful swelling of the appendix and is one of the most common causes of pain around the belly button. At first, the pain will manifest itself in the middle of your abdomen and then âtravelâ to the lower right-hand side, so the pain is actually felt under the belly button.