v P
Panic-Proof Lock A lock and latch device, which permits a door to be, opened outward by pressure being applied to a horizontal bar mounted across the inside face of the door.
Passage Lock A lock-set, which will retain a door, closed, but which cannot be locked.
PVC Abbreviation for polyvinyl chloride, a plastic material used to make molded or extruded parts.
v R
Rabbet, Rebate A groove or step cut along the length of the edge of a piece of wood that is to be joined to another with a corresponding tongue or ledge cut into it.