1.only from oxygen in the air
It is kind of a layer that if damaged mechanically, repairs itself later.
so, it actually re-appears thanks to scratches
=))
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1.only from oxygen in the air
It is kind of a layer that if damaged mechanically, repairs itself later.
so, it actually re-appears thanks to scratches
=))
Yeah. Lol.. Then again, they ruin more of the materials :D