The main drain is a 1-inch to 2-inch line leading from the bottom of the pool, outside the pool shell, to a trench about 24 inches below ground level. The drain joins other pool lines from the skimmers and return lines. The skimmer and main drain lines join into one that leads to the suction side of the pool pump.
Bohai University (BU), which was established in February 1950, is a comprehensive university administered by Liaoning Province government. BU is located in Jinzhou City, Liaoning Province, China. Jinzhou is a seaside city with long history and cultural tradition.
George Mason University (also Mason), located in Fairfax, Virginia, United States, is the largest public research university in the Commonwealth of Virginia. The university was founded as a branch of the University of Virginia in 1957 and became an independent institution in 1972. Today, Mason is recognized for its strong programs in economics, law, creative writing, computer science, and business.