What is PEX? PEX is an acronym for crosslinked polyethylene. It is a flexible, durable, proven piping product that has been used in plumbing systems for more than 20 years. PEX tubing wonât pit, scale or corrode and, because of its flexibility, it also offers potential freeze-damage protection. Uponor plumbing systems feature PEX-a tubing, which is considered the superior PEX tubing manufacturing method in the industry.
Answer Wiki. Ronald Reagan is the only U.S. president who has been divorced. One First Lady, Betty Ford, married and divorced before marrying a second husband, who became President Gerald Ford. Andrew Jackson's wife, Rachel, was divorced by her first husband, Lewis Robards, because she lived with Jackson while still married to Robards.
For as long as anyone reading this has been alive, the president has had a wife and that wife was the first lady. The last bachelor elected to the White House was Grover Cleveland in 1886, but he married in his first term. James Buchanan, elected in 1857, was the only unmarried president to stay single his whole life. Buchanan never had a wife, but he still had a first lady. The job went to his niece, Harriet Lane Johnston, who assumed the role of White House hostess and used her proximity to power to champion several social causes.