For example, substantial manufacturing efficiencies result when extruded {HEAD ~ resilient material} 44 is coextruded with an extruded window frame {TAIL ~ jamb liner} such as jamb liner 20 
For example , substantial manufacturing efficiencies result when extruded { HEAD ~ resilient material } 44 is coextruded with an extruded window frame { TAIL ~ jamb liner } such as jamb liner 20
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH