[[File:AMCFinger_Print_with_laser.JPG|thumb|center|A spare fiber was touched with bare hands, and then a green laser was shown through. The bright spots are where the oils were. As you can see, light is escaping.]]
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[[File:AMCFinger_Print_with_laser.JPG|thumb|center|A spare fiber was touched with bare hands, and then a green laser was shown through. The bright spots indicate both presence of oils and escaping light]]
[[File:AMCBetter_Dust_SpotsJPG.JPG|thumb|center|accumulated dust buildup post-end milling but pre-cleaning.]]
[[File:AMCBetter_Dust_SpotsJPG.JPG|thumb|center|accumulated dust buildup post-end milling but pre-cleaning.]]