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The biggest can haul in as much as 10,000 tonnes of sand an hour. A recent study estimates that 236m cubic metres of sand are taken out of the lake annually. That makes Poyang the biggest sand ...

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Manufactured sand (M-Sand) is a substitute of river sand for concrete construction . Manufactured sand is produced from hard granite stone by crushing. The crushed sand is of cubical shape with grounded edges, washed and graded to as a construction material.

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India can rely on sand imports till the time it is viable

India can rely on sand imports till the time it is viable, but it needs to upscale the production of sand alternatives. After all, 70 per cent of the buildings that the country would require by 2030 are yet to be built, estimates a 2010 report by McKinsey, a global management firm.

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Chapter 3: Flashcards | Quizlet

The theory of _____ states that a nation should produce and sell goods to other countries that it produces most efficiently, and buy goods from other nations that they produce more effectively. comparative advantage. Carrie, a U.S. resident, says that her …

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