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n. Variant of incrustation.

n. An incrustation

n. a hard outer layer that covers something

n. a decorative coating of contrasting material that is applied to a surface as an inlay or overlay

n. the formation of a crust

"NCS can remove contaminants such as PVC, soils, tarnish, carbon spots, verdigris and encrustation from the surface."

decoration    ornament    ornamentation    formation   

bracken    axil    sarcenet    brown-red    bijou