Apply bluing techniques

Use techniques to protect metals against rust, for instance with the use of salt baths.

make a graeyish-blue finish on metal produced by heating
polishing metal by rubbing
use burnishing procedures
apply bluing methods
applying bluing techniques
apply bluing technique

skill/competence

occupation-specific

Apply bluing techniques is an essential skill of the following occupations:

Gunsmith: Gunsmiths modify and repair metal fabricated firearms for special costumer specifications. They use machines and hand tools such as planers, grinders and millers to alter and restore guns, and they may also apply engravings, carvings and other decorative finishing touches to the otherwise finished product.

Apply bluing techniques is optional for these occupations. This means knowing this skill may be an asset for career advancement if you are in one of these occupations.

References

1. Apply bluing techniques – ESCO