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.
If you thought traffic was bad on a five-line freeway, can you imagine a 50-lane traffic jam? In Beijing, China, thousands of commuters were trapped on the G4 Beijing-Hong Kong-Macau Expressway on Wednesday, China's The People's Daily reported. The massive traffic jam was caused by a new checkpoint that caused 50 lanes to merge into 20 lanes, according to The People's Daily reported.