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.
TRAFFIC SIGNAL BLACKOUTâIf all traffic signal lights are not working because of an electrical power failure, you must stop at the intersection and then proceed when you know other turning and approaching vehicles, bicycles, or pedestrians have stopped.