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.
Most traffic crashes occur at intersections when a driver is making a turn, so be careful. The right-of-way rules can also help to resolve traffic conflicts when signs or lights do not. An uncontrolled intersection is an intersection where no there are no traffic lights or signs to indicate the right-of-way.