The axis
In this case, the frame level 2 is applied alternately on both sides of the piston to its forming in the plane passing through the axis of the holes for the piston finger, and the arithmetic mean of both indications is taken.
In this case, the frame level 2 is applied alternately on both sides of the piston to its forming in the plane passing through the axis of the holes for the piston finger, and the arithmetic mean of both indications is taken.