Before extrusion, the HDPE can be pigmented to yield color-coded pipe. Common PEX tubing colors are natural (hazy clear, unpigmented), white, black, red and blue. The red and blue colors are used to help plumbers and homeowners distinguish between hot and cold water supply lines.
No, there has never been a US President from an independent party; however, at the time of his presidency, George Washington was not affiliated with a political party at all, as there were no parties in the brand new United States of America.
While the Fourth of July saw the death of three of the first five U.S. presidentsâJohn Adams and Thomas Jefferson in 1826 and James Monroe in 1831âCalvin Coolidge was the only chief executive born on Independence Day. The 30th president was born on July 4, 1872, in the small hamlet of Plymouth Notch, Vermont.