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.
Bloating occurs in many women as a premenstrual sign of your approaching period. Water retention causes the bloated feeling each month. Slowed digestion might also contribute to the bloating, according to MayoClinic.com. While bloating is a natural part of your period, there are steps you can take to reduce or avoid it.