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.
Gastrointestinal side effects. Gastrointestinal, or stomach problems are one of the Adderall side effects in adults. These side effects are stomach pain, nausea, vomiting, diarrhea, constipation, loss of appetite, and weight loss. You may experience some of these symptoms if you take Adderall. Neurological side effects.