HOW TO IMPLEMENT A FIRST-IN, FIRST-OUT (FIFO) RACKING SYSTEM

The worst feeling available is immediately after you close the door of vehicle and realize that the doors are locked and you left the keys in it. Wouldn't you want to be able to pick the lock to retrieve your keys? The family hear the words "lock picking", we think crime, burglars, illegal procedure. But this is not always the case. Of course, you