Â© PMA of Georgia 2010. Venting. This concept of the plumbing system breathing (while. conceptually accurate) is somewhat confusing to a. craftsperson when trying to understand specifically what. the purpose of the vent system is.
Definition of traffic jam. : a situation in which a long line of vehicles on a road have stopped moving or are moving very slowly stuck in a traffic jam.
Common Traffic Violations. Here are some of the most common traffic violations: 1  Speeding. 2  Running a red light. 3  Not signaling. 4  Crossing the median. 5  Driving in car pool lane. 6  Not stopping for school bus. 7  Not stopping for pedestrians. 8  Not using seat belt.