1. Probable Cause / Reason
•    Using incorrect or fast-evaporating solvent blends.
•    Painting over porous surfaces that trap solvent or air.
•    Applying paint in hot or humid conditions.
•    Surface temperature too high during application.

2. Correction
•    Sand down the affected area to remove bubbles and smooth the surface.
•    Reapply coating with proper solvent blend and conditions.
•    Seal porous surfaces before topcoat application.
•    Use slower-evaporating solvents if necessary for current conditions.

3. Corrective Action / Prevention
•    Use correct coating systems and follow product specifications.
•    Control environment during painting—avoid high temps and humidity.
•    Apply paint in thin, even coats to allow proper solvent escape.

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