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.
In honor of Presidentâs Day, we rank the free worldâs better half. This week last year, we ranked the Top 43 Sexiest U.S. Presidents. This year, it seemed only natural to follow up with a ranking of their beautiful wives. 45. Martha Jefferson (died before presidency). Martha was Thomasâ cousin. Apparently, a Jefferson family-reunion is a piss-poor place to meet women. 44.