Ọna 1: digi anodized aluminiomu dì, lẹhin ti yiya si pa awọn aabo fiimu, fọwọkan digi pẹlu awọn ika ọwọ rẹ, awọn abawọn lagun lori awọn ika ọwọ rẹ yoo duro lori oke digi naa, ṣugbọn lẹhin fifọ pẹlu asọ gbigbẹ tabi aṣọ inura iwe, awọn ika ọwọ yoo parẹ mọ ati pe kii yoo fi itọpa kankan silẹ.

Ko lẹhin ifoyina ti digi aluminiomu awo ni ko kanna, leaving the fingerprints will be more and more dirty, and ultimately can not recover the role of the mirror.

Ọna 2: put the anodized mirror aluminum plate in the ear bend, if there is a slight cracking sound clarification that is anodized mirror aluminum plate, if not that is not anodized mirror aluminum plate.

Ọna 3: the mirror aluminum plate to do 90 degrees T bend, anodized mirror aluminum plate in the T bend will have a slight whitish appearance, which is the reason for the anodic oxide film burst, if the mirror aluminum plate without anodic oxidation does not have this appearance.