Capillaries. Capillaries, the smallest and most numerous of the blood vessels, form the connection between the vessels that carry blood away from the heart (arteries) and the vessels that return blood to the heart (veins).The primary function of capillaries is the exchange of materials between the blood and tissue cells.apillaries. Capillaries, the smallest and most numerous of the blood vessels, form the connection between the vessels that carry blood away from the heart (arteries) and the vessels that return blood to the heart (veins).
Class C Operator. Class C Operator of a UST facility is a person designated by the UST system owner who typically. controls the dispensing of fuel at the facility and is responsible for initial response to alarms, releases, spills, overfills or threats to the public or to the environment.
Commercial Motor Vehicle (CMV) Operators and the Law. A driver with a Class A, B, or C Commercial Driver License (CDL) is automatically licensed to operate both commercial and private (noncommercial) motor vehicles using one driver license.