Question

When farmers thresh their crops, they get a mixture of husk and grain. How do the farmers separate the husk from the grains?

Answer 1

1. On a windy day, a farmer stands on a high platform and allows the mixture of grain and husk to drop slowly from the flat Pan.

2. The wind carries the husk forward and the grips fall vertically downward. 

3. A separate heap of grain is formed.