A crusher is a machine designed to reduce large rocks into smaller rocks, gravel, or rock dust. … The earliest crushers were hand-held stones, where the weight of the stone provided a boost to muscle power, used against a stone anvil
A road surface or pavement is the durable surface material laid down on an area intended to …. Full depth reclamation is a process which pulverizes the full thickness of the asphalt pavement and some of the underlying material
In highway engineering, subbase is the layer of aggregate material laid on the subgrade, on which the base course layer is located. It may be omitted when there will be only foot traffic on the pavement, but it is necessary for surfaces used by vehicles.
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Dumpers are distinguished from dump trucks by configuration: a dumper is usually an open 4-wheeled vehicle with the load skip in front of the driver, while a dump truck has its cab in front of the load