Question

What can be used to recover serial numbers? A)A groove reagent B)A pattern reagent C)An etching reagent D)A rifling reagent

Answer 1

The answer is: C) An etching reagent.

Step-by-step explanation:

Serial numbers are used as unique identification marks for a variety of items.

Etching reagent is the most common and successful method for restoring serial numbers on the metal surface.

The answer is: C) An etching reagent.

Answer 2

The answer is letter C.

An etching reagent is used to recover serial numbers.