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.
Thirty-one states have never claimed a native son as President. Teddy Roosevelt was the first President to travel abroad while in office; he visited the Panama Canal in 1906. In 1943 Franklin Roosevelt made the first Presidential flight.Richard Nixon was the first President to visit all 50 states.hirty-one states have never claimed a native son as President. Teddy Roosevelt was the first President to travel abroad while in office; he visited the Panama Canal in 1906. In 1943 Franklin Roosevelt made the first Presidential flight.