GRVL has various meanings in the Technology category. Discover the full forms, definitions, and usage contexts of GRVL in Technology.
Naturally occuring ballast or course aggregate. Crushed or alluvial rock of size between 2mm and 60mm. Rock 0.5 to 7 cm (0.2 to 3 inches) in diameter. Coarse, granular aggregate, containing pieces approximately 5/8 inch to 1/2 inch in size and suitable for use in aggregate surfacing on built-up roofs.
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