IAM	Induction assisted machining	S/N	Signal to noise
S	Spindle speed	OA	Orthogonal array
f	Feed rate	DOE	Design of experiments
ap	Depth of cut	DOF	Degree of freedom
ae	Width of cut	SS	Sum of squares
Fx	Tangential force	P	Probability value
Fy	Radial force	F	Fisher ration
T	Thickness	%C	Percentage contribution
W	Width	SS	Sum of squares
L	Length	MS	Mean of squares
fz	Feed per tooth	ANOVA	Analysis of variance
Ra	Arithmetic average roughness	dB	Decibel
SEM	Scanning electron microscope