Disclosed is a braking system for {TAIL ~ braking movement} of a window sash within {HEAD ~ a window frame} jamb liner 
Disclosed is a braking system for { TAIL ~ braking movement } of a window sash within { HEAD ~ a window frame } jamb liner
OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH