Daily life examples for hand picking:
1. Separating mud particles from rice is an example for hand picking because the colour and size of these two are different.
2. Similarly, the ore particles and the impurities are different in one of the properties like colour, size, etc. are separated by hand picking.
Daily life examples for washing :
1. We can clean some vegetables like potatoes by controlled flow of water. Less densive impurities are carried away by the flow leaving the more densive potatoes.
2. Similarly, ores are washed with controlled flow of water. Less densive impurities i are carried away by water flow, leaving the more densive ore particles behind.
