Rust Spot

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Rust Spot

In numismatics, a red or brown area on a gold coin caused by rust. They may affect the value of a coin.
References in periodicals archive ?
The rifle is now three decades old and still looks new except for some light rust spots on the barrel and the internals covered with a coat of surface rust.
Don't use a wire brush as it will create rust spots.
ammo box with maybe a few rust spots and, of course, the famous finger-pinching lid-locking mechanism.
Kurzadkowski got the idea for making corrosion-resistant rifles after hearing about Houston-area police agencies dealing with rust issues in the swampy Texas weather, as well as pesky rust spots on his own firearms.
It has few rust spots that I think can be somewhat cleaned up but it does not look like it's been maintained in quite awhile.
We had the only white horses with rust spots and purple smears.
As you might guess, I'm the guy with a mix of weed seeds and shot-shells in his vest pockets and a couple rust spots on the old double so I'll be taking some of my own advice .
I remember one case where powder coating adhesion failures could be blamed on a series of mistakes, including coating over rust spots, applying a polyester powder instead of the specified epoxy powder (which would have given better adhesion) and not using the specified phosphate pretreatment.
But even then, you're still going to get rust spots.
There were odd rattles and spreading rust spots and, at the very the end, just before it was consigned to the edge of the driveway, a muffler issue.
In addition to the large-scale separations of those days running locally deck coating, rust spots present as evidence that the protective effect of the primer is almost exhausted.
He'd noticed some rust spots here and there, and decided to put his boat in a temporary dockage to do a full inspection and update of components, a good idea.