Question

if we remove dust from grain.
which method should it call.​

Answer 1

Answer: Winnowing is the method of separating components of a mixture containing heavier and lighter components by wind or by blowing air. This method is commonly used by farmers to separate lighter husk particles from heavier seeds grain.

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Answer 2

Explanation:

The simplest cleaning method, known as winnowing, consists of tossing the grain into the air and letting the wind carry off the lightest impurities. Although widespread in farming circles, this cleaning method does not eliminate the heavier impurities (gravel, foreign grains, earth, etc.).