Question

Why is hand picking necessary after winnowing?

Answer 1

Answer:

here is your answer

Explanation:

Hand picking is necessary after winnowing because some heavier substances like stones also fall with the heavier substance. So, They can be separated by the process of hand picking.

Sometimes in the process of winnowing which is actually done in the pŕesence of wind.some imputities present in the substance cant get removed.so after this if we do the process of handpicking.all the impurities left behind after the process of winnowing would be removed by hand and thus it is very necessary.

Answer 2

Answer:

Handpicking is done after winnowing in order to remove the heavier impurities that settle again with the winnowed grain after the removal of the lighter chaffs.

Explanation:

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