Mat Properties. The catalytic converter shell has to be designed in such a way as to provide the required mounting pressure for a given catalyst substrate and a given mat. The mounting pressure of the mat increases exponentially during the compression from its initial bulk density to the final target density.
Sometimes a severely bloated stomach â along with constipation, nausea and vomiting â is due to a bowel obstruction, which is caused by scar tissue or a tumor. When these grow and press against the bowel, the bowels become blocked and hold in fluid and stool.
Symptoms of a Bloated Stomach. Simply put, being âbloatedâ is the feeling of having built-up gas in your digestive system that makes your stomach protrude out uncomfortably. Some people even kid around and joke that they âlook pregnantâ when their bloating becomes very bad.