SAN DIEGOSAN DIEGO — San Diego County is suing a company it says is flouting state law by selling milling machines primarily used to create parts used to assemble untraceable “ghost guns.” The suit ...

There are basically two types of striping machines. One uses air and it's called a "conventional" machine. The other does not use air and it's called…you guessed it…an "airless" machine. First, let's ...