SPARE PIECES? Crossword Clue

We know 2 solutions for: SPARE PIECES?
Crossword Puzzle Infos
Spare pieces are components of a larger object that can be replaced if they become damaged or worn out. PINS is an acronym for 'Parts In Numerical Sequence' and RIBS stands for 'Replaceable Item By Serial Number'. These terms refer to spare parts that can be identified by their serial numbers and used to replace broken or worn out parts in a larger system.
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