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.
Yale University, private university in New Haven, Connecticut, one of the Ivy League schools. It was founded in 1701 and is the third oldest university in the United States. Yale was originally chartered by the colonial legislature of Connecticut as the Collegiate School and was held at Killingworth and other locations.