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.
However, if such need arises, the driver must have adequate skills and this is where different types of driver licenses come in. At the moment, the Washington State Department of Licensing (DOL) offers the following types of driver licenses: PDL. Personal driverâs license, also known as the regular drivers license. Class M. Motorcycle endorsement. Class A, B and C. Commercial driver licenses, CDLs.