{HEAD ~ Each channel section} can be curved in {TAIL ~ a large radius arc} to provide a turn to the elbow, which may extend around a quarter circle to provide a 90° turn to the dryer exhaust vent conduit 
{ HEAD ~ Each channel section } can be curved in { TAIL ~ a large radius arc } to provide a turn to the elbow , which may extend around a quarter circle to provide a 90 ° turn to the dryer exhaust vent conduit
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH