CUTTING 

 FACET 



BLADE 



B 



CUTTING TIP 



•-CLEARANCE 

 ANGLE 



KNIFE 

 ANGLE 



BLOCK 



Fig. 34. Types of cutting edge and cutting action. 



(AJ Simple wedge without cutting facet. 



(B) Flat-ground razor showing cutting facet. 



(C) Hollow-ground razor. 



(D) Cutting action of knife on wax block. 



