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.)
H. Approved type (SAE-W) amber flashing, blinking or alternating lights are permitted on vehicles used for the principal purpose of towing or servicing disabled vehicles or in constructing, maintaining and repairing highways or utilities on or along public highways and vehicles used for the principal purpose of removing hazardous or polluting substances from the state waters or drainage areas on or along public highways.