The Susan Rice bombshell at least explains why the Democrats won't stop babbling about Russia. They need a false flag to justify using national intelligence agencies to snoop on the Trump team.
Flashing is layered protection. So what is flashing? It's a thin layer of waterproof material that keeps water from getting into places it doesn't belong. (Caulk is fine for filling small gaps around windows and doors, but it shouldn't be confused with flashing.)
Flashing: Excess material formed on an object during the casting process, typically resulting from gaps formed within a parting line. Flask: Container, comprised of two halves, a cope and drag, used to form sand molds. A pattern is placed inside the flask, typically fastened to a match plate, and packed with sand.