—- Rake angle between the front and the base surface.

After cutting back corner —- angle between the planes.

—- Wedge angle between the angle of the front and rear.

The angle between the main cutting edge angle —- assuming that the work plane and planes measured in the base plane.

Angle of declination —- deputy vice cutting plane and assuming that the work plane by measuring the base plane.

Knife sharp angle between the main and secondary cutting plane between the cutting plane —- measured in the base plane.

—- Edge inclination angle of the main cutting edge and the base surface measured in the main cutting plane.