The heating devices 26, 27, 28, 29 for {TAIL ~ the drying} of the web can be of {HEAD ~ any development} 
The heating devices 26 , 27 , 28 , 29 for { TAIL ~ the drying } of the web can be of { HEAD ~ any development }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD