Pi is the sixteenth letter of the Greek alphabet, representing sound. In the system of Greek numerals it has a value of 80. It was derived from the Phoenician letter Pe (). Letters that arose from pi include Cyrillic Pe, Coptic pi, and Gothic pairthra ().
The 3 types of commercial drivers are Class A, B, and C licenses. 1  Class A Commercial Driverâs License â Combination Vehicle permit holder can drive all commercial vehicles or a combination of commercial vehicles with a gross weight of 26,001 lbs. or more.
There are 2 types of products that are issued: Federally Compliant Product: A driver's license /identification card that is acceptable by federal agencies for certain official purposes. Proof of lawful status in the U.S. is required. Click here for the Federally Compliant Requirements List.