Vaprio 20jan017 Lowres Ritaglio 3D

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Test Draft of a Quarry A quarry is a huge open-pit mine where large amounts of rock are dug up and processed into usable materials such as sand gravel crushed stone and dimension stone. Quarries can be found all over the world and are used to extract a wide variety of rocks including limestone granite marble and slate. The process of extracting rock from a quarry involves several steps including drilling blasting hauling crushing and screening. First the site is cleared of any trees shrubs or other vegetation that may interfere with the extraction process. Next the rock face is drilled with holes for explosives which are then blasted to break up the rock into smaller pieces. The broken rock is then hauled away from the quarry using large machines such as haul trucks and front-end loaders. Once the rock has been removed it is crushed into smaller pieces using a crusher which reduces the size of the rock into gravel or sand-sized particles. Finally the rock is screened to separate it into different sizes and types based on its texture and composition. The resulting material can then be used for a wide range of applications including construction road-building and decorative purposes. Quarries play an important role in modern society by providing the raw materials needed to build roads bridges buildings and other infrastructure projects. Without quarries many of these structures would not be possible or would require much more expensive alternatives such as importing rock from other countries.