Cam shaft oil seal: A round metal washer, covered with rubber, that fits tightly around the cam shaft end. It is used to keep the oil on inside of the engine from becoming the gunk burning on the exhaust pipe. O-ring: A thin rubber ring that seals the port cam shaft housing to the front of the engine head. Note:
Certified Professional Coder-Payer (CPC-PÂ®) More private and public payers (health plans) are recognizing the value of employing certified coders to process and analyze medical claims for payment. The CPC-PÂ® credential meets the growing demand for certified coders in a payer environment.
Driver CPC is a Certificate of Professional Competence issued to drivers who are entitled to hold one. It was first introduced across the EU in 2008 for professional bus drivers and 2009 for professional truck drivers.river CPC certification is not required for drivers of vehicles used: 1  For non-commercial purposes, eg driving as a volunteer; drivers of emergency or rescue vehicles eg Gardai, Defence forces, Ambulance and Irish Prison service.