Question

What is sieving ? Where is it used ?
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Answer 1

Answer:

Sieving. Sieving is a simple technique for separating particles of different sizes. A sieve such as used for sifting flour has very small holes. ... Sieves are also used to separate stones from sand.

Answer 2

Explanation:

Sieving is a simple technique for separating particles of different sizes. A sieve such as used for sifting flour has very small holes. Coarse particles are separated or broken up by grinding against one another and the screen openings. ... Sieves are also used to separate stones from sand