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.
Ten Facts About Washingtonâs Presidency. Unanimously elected President of the United States twice, George Washington played an essential part in shaping the role and function of the President of the United States. George Washington is the only US president to have never occupied the White House.