Pinned
Period 15 | 𝗪𝗶𝘁𝗻𝗲𝘀𝘀 𝗠𝗮𝗿𝗸𝘀
Witness marks is a term from machining and archaeology: the small cut, impression, or trace left on a workpiece or artifact that records the history of its making and use — evidence that persists after the process is complete.
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