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What types of material can we separate by using handpicking?
The materials having different sizes and colours can be separated by handpicking.
For example,
- small pieces of stones are separated from the wheat, rice, and pulses (on the basis of shapes and size).
- separating chilies from the basket of a lady's finger (on the basis of size).
- separating lentils from the rice (on the basis of color and shape).
[Extra information:
Handpicking is the simplest technique or method for separating unwanted substances or impurities by hand. It involves simply picking out one of the components from the mixture, which is in a small quantity compared to the others.
Use: This method is used when items differ from each other on the basis of color, shape, size, and weight.
Advantage: It is a simple and easy method. This method doesn't need any machinery for separating impurities or unwanted substances, so it is manual labor.
Disadvantage: This method takes time and is prone to error, especially when the mixture is small in size.]
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