nonabrasive material

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Vibratory finishing — is a process used to remove burrs from large numbers of relatively small workpieces.In this batch type operation, specially shaped abrasive pellets of nonmetallic or metallic media are placed in a Vibratory tumbler along with the parts to be… … Wikipedia
coloration — colorational, adj. colorationally, adv. /kul euh ray sheuhn/, n. appearance with regard to color arrangement or use of colors; coloring: the bold coloration of some birds. [1605 15; COLOR + ATION] * * * ▪ biology Introduction in biology,… … Universalium
Mass finishing — is a group of manufacturing processes that allow large quantities of parts to be simultaneously finished. The goal of this type of finishing is to burnish, deburr, clean, radius, de flash, descale, remove rust, polish, brighten, surface harden,… … Wikipedia

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