The reel and {HEAD ~ the second felt conveyor} cooperate to advance the web to a reel spool for winding {TAIL ~ the web} 
The reel and { HEAD ~ the second felt conveyor } cooperate to advance the web to a reel spool for winding { TAIL ~ the web }
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL