विधि 1: ऐना एनोडाइज्ड एल्युमिनियम पाना, सुरक्षात्मक फिलिम चीर्दै पछि, आफ्नो औंलाहरु संग ऐना छोएर, तपाईंको औंलाहरूमा पसिनाको दाग ऐनाको शीर्षमा रहनेछ, तर सुक्खा कपडा वा कागज तौलिया संग स्क्रब पछि, फिंगरप्रिन्टहरू सफा गरिनेछन् र कुनै ट्रेस छोड्ने छैनन्.

ऐनाको अक्सिडेशन पछि एल्युमिनियम प्लेट समान छैन, leaving the fingerprints will be more and more dirty, and ultimately can not recover the role of the mirror.

विधि 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.

विधि 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.