what is a winnowing where is it used
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Winnowing is the process of separation of the heavier components from the lighter components of a mixture by wind or by blowing air. It is generally used by farmers to separate the lighter impurities such as husk particles from the heavier grains. ... It is mainly used by farmers.
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Wind winnowing is an agricultural method developed by ancient cultures for separating grain from hay. It can also be used to remove pests from stored grain. Winnowing usually follows threshing in grain preparation
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