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.
A multiple vehicle collision (colloquially known as a multi-car collision, multi-vehicle collision, pile-up, or chain-reaction crash) is a road traffic accident involving many vehicles. Generally occurring on high-capacity and high-speed routes such as freeways, they are one of the deadliest forms of traffic accidents. multiple vehicle collision (colloquially known as a multi-car collision, multi-vehicle collision, pile-up, or chain-reaction crash) is a road traffic accident involving many vehicles. Generally occurring on high-capacity and high-speed routes such as freeways, they are one of the deadliest forms of traffic accidents.