Thus, by finely controlling {HEAD ~ the pressure} of the pressurized air in the chamber 1, it is possible to extremely finely adjust the force with which {TAIL ~ the pressing roller} 3 presses the web 1 against the driven roller 2 
Thus , by finely controlling { HEAD ~ the pressure } of the pressurized air in the chamber 1 , it is possible to extremely finely adjust the force with which { TAIL ~ the pressing roller } 3 presses the web 1 against the driven roller 2
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH