olemus
Wiktionary, noun:
8. (mechanics, engineering) a piece of material roughly cut, forged, cast, etc. to the size and shape of the thing to be made, and ready for the finishing operations; (coining) the disc of metal before stamping

näiteid
https://en.wikipedia.org/wiki/Key_blank
https://en.wikipedia.org/wiki/Planchet
https://en.wikipedia.org/wiki/Glass_blank
https://duckduckgo.com/?q=metal+blanks&t=h_&iar=images&iax=images&ia=images

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