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GLASS EYES or GLASS WINDOWS
GLOSS
GRANULE
GRAVEL STOP

GLASS EYES, GLASS WINDOWS: A thin, clear membrane that forms over elongated polyurethane foam cells. Glass eyes may break when coated, forming a PINHOLE. (See also PINHOLE.) 

GLOSS: The shine, sheen, or luster of a dried film. 

GRANULE: Size No. 11 ceramic aggregate embedded into wet coating over polyurethane foam for aesthetics, traction, and mechanical resistance.