A method of applying a fabric material, such as {TAIL ~ a screening fabric or fiber glass cloth} in a retention groove of a rectangular frame by applying a spline cord in {HEAD ~ the groove} with a fabric portion disposed therein 
A method of applying a fabric material , such as { TAIL ~ a screening fabric or fiber glass cloth } in a retention groove of a rectangular frame by applying a spline cord in { HEAD ~ the groove } with a fabric portion disposed therein
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH