A shearing device 1, wherein {HEAD ~ the axis} of rotation of each disc lies between {TAIL ~ the tip} of the blade and its pivot 
lies between
A shearing device 1 , wherein { HEAD ~ the axis } of rotation of each disc lies between { TAIL ~ the tip } of the blade and its pivot
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH