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Manufactured sand (M-sand) is a substitute for river sand in the construction industry.
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It is produced from hard granite stone by crushing.
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Due to the depletion of good quality river sand for the use of construction, the use of manufactured sand has been increasing.
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M-sand will reduce over-exploitation of river beds, it can be dust-free, etc.
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Another reason for use of M-Sand is its availability and transportation cost.
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Why in news? Rajasthan government has brought a policy to promote M-Sand.