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Three Sandvik Rammer G80s are providing increased secondary braking capacity at a Vietnamese quarry in Dong Nai province. Over 1 million m³ of granite is produced annually, feeding demand for this material as the country's economy rapidly expands, wiht the construction of roads and commercial buildings being given priority by the government at present. Covering an area of 30 ha, the quarry has now reached 50 m in depth, 10 m short of the maximum permitted depth. Following drill and blast operations, the hammers break the granite down to 300 mm sized pieces, which are then fed into one of the 30 on site crushers.