Question

removing pebbles from sand
which method is used
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Answer 1

Explanation:

Sieves are used at construction sites to separate pebbles and stones from sand. Sieves are also used to separate fine flour particles from the bigger impurities

Answer 2

Sieving is a process by which fine particles are separated from bigger particles by using a sieve. It is used in flour mill or at construction sites. In flour mill, impurities like husks and stones are removed from wheat. Pebbles and stones are removed from sand by sieving.

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