Restoration of Obliterated Engraved Marks on Steel

Identification marks, such as serial numbers, are used for a range of items to uniquely identify a product, chemical etching is the most common and successful method for the restoration of identification marks on a metal surface. Different chemical products are used to reveal the identifying marks dependant upon the material they were engraved in; this article is for the restoration of obliterated marks engraved on steel.

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