WHAT_IS_THE_FLATNESS_OF_REFLECTING_FACES_OF_PRECISION_POLYGONS??$ – McqOptions

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1.	WHAT_IS_THE_FLATNESS_OF_REFLECTING_FACES_OF_PRECISION_POLYGONS??$
A.	Within 0.0002 mm
B.	Within 0.0001 mm
C.	Within 0.0003 mm
D.	Within 0.0004 mm
Answer» C. Within 0.0003 mm

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