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RE: [Demo notebook] QC clinic: photographic evidence and its limits · RWI-18141

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January 31, 2023 at 1:10 pm #145151
ReferenceLog 02010
Participant

Case 31 — Case finishing: distinguish a reflection from a surface mark

Ask for photographs with the light moved and retain the same viewing angle. A mark should be assessed across multiple views; aggressive polishing is not an appropriate diagnostic test.