AODD Pumps | Double Diahragm Pumps. Metex Corporation Limited is a leading manufacturer's representative and distributor of AODD Pumps (Air Operated Double Diaphragm Pumps) for a wide range of industrial markets â including chemical, mining, oil & gas, power generation, pulp and paper, and general industry.
The following may be symptoms of fecal impaction: 1  Being unable to have a bowel movement. 2  Having to push harder to have a bowel movement of small amounts of hard, dry stool. 3  Having fewer than the usual number of bowel movements.  Having pain in the back or abdomen.
MedlinePlus describes irritable bowel syndrome as a disorder that causes bowel changes and abdominal pain. Other symptoms of the condition includes gas, fullness and bloating. Individuals with irritable bowel syndrome go back and forth between loose, watery stools, or diarrhea, and constipation, stools that are hard and difficult to pass. The condition may also cause a lack of appetite.