Visual Match
Start with what it resembles.
Choose the closest visual fingerprint. Then add location, timing and weather in the Clue Engine. Resemblance alone never confirms a cause.
SHAPEEDGETEXTURELOCATION
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StainsRinged brown ceiling mark
Concentric tide marks suggest repeated wetting and drying.
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StainsDiffuse yellow ceiling haze
A broad pale mark can follow condensation or historic low-level wetting.
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