Donate the graduation gown to a local thrift store or vintage clothing store located near a campus, where students shop for gently worn clothing and accessories.
It is the aggregate most of which is retained on 4.75 mm IS sieve and contains only so much finer material as is permitted by specification. According to source, coarse aggregate may be described as: 1  Uncrushed Gravel or Stone â it results from natural disintegration of rock. 2  Crushed Gravel or Stone â it results from crushing of gravel or hard stone. 3  Partially Crushed Gravel or Stone â it is a product of the blending of the above two aggregate.
Construction aggregate, or simply  aggregate , is a broad category of coarse particulate material used in construction, including sand, gravel, crushed stone, slag, recycled concrete and geosynthetic aggregates. Aggregates are the most mined materials in the world.here neither stone, nor sand and gravel, are available, construction demand is usually satisfied by shipping in aggregate by rail, barge or truck. Additionally, demand for aggregates can be partially satisfied through the use of slag and recycled concrete.