SVEZA Interior and Exterior Plywood grades Defects Part 28:Scratches, grooves, pimples, ridges

SVEZA Interior and Exterior Plywood grades Defects Part 28:Scratches, grooves, pimples, ridges

Scratch is surface damage in the form of long thin hollow, made with a sharp object.

Ridge is a thin stripe-shaped area overhanging the surface.

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Measured by length, width, and depth.
Scratches, grooves, pimples, ridges
Scratches, grooves, pimples, ridges

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