DOE	design of experiment
$v_f$	feed rate (mm/min)
$n$	spindle speed (rpm)
$f_n$	feed per revolution (mm/rev)
$v_c$	cutting speed (m/min)
$a_p$	depth of cut (mm)
KIN	kinematics
SS	Sum of Squares
DF	Degrees of Freedom
MS	Mean Square
CYL	CYLindricity deviation (µm)
STR	STRaightness deviation (µm)
RON	ROuNdness deviation (µm)
DE	Diameter Error (µm)
UPR	Undulations per revolution
F	wave length
p	significance