How to remove the black spots on the mirror?

1. If the black spots on the mirror float on the surface, you can scrape them off with your nails, or wipe them off with a rag after putting a little toothpaste on them. If it is a black spot formed by the oxidation reaction of the metal film behind the mirror, it cannot be removed.

2. A mirror is an object with a smooth surface and the ability to reflect light. At first, the ancients used polished bronze as mirrors, including plane mirrors and curved mirrors. Flat mirrors are often used to tidy up the appearance, and curved mirrors are divided into concave mirror and convex mirrors, which are mainly used as dressing mirrors, furniture accessories, architectural decoration parts, optical instruments, solar cookers, reflectors for headlights and searchlights, reflecting telescope, car rearview mirrors, etc.

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