Preferably {TAIL ~ the blade} is urged against the web with a force not exceeding 0.20 kgf per {HEAD ~ centimeter width} of web 
Preferably { TAIL ~ the blade } is urged against the web with a force not exceeding 0.20 kgf per { HEAD ~ centimeter width } of web
OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH