The first fabric may be {TAIL ~ a permeable fabric}, which is positioned downstream from {HEAD ~ the dryer} 
The first fabric may be { TAIL ~ a permeable fabric } , which is positioned downstream from { HEAD ~ the dryer }
OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD