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Visual review and storage
Visual observations help track wear and contamination but cannot replace dimensional or material evaluation. Separate observation from decision.
This reference collection concerns light, offline dimensional-inspection layouts. It brings locating concepts, component descriptions and revision records together without substituting for an engineered fixture design. The drawings are original explanatory diagrams. Reference IDs identify documents, not commercially tested products. Read the scope and limitations alongside each example, and keep the actual part drawing and inspection requirements available when reviewing a proposed layout.
Practical example
Record the component ID, observed region, visible condition and review date.
An unexplained mark should remain an open question until its significance is assessed.