Question

Few iron nails and screws got mixed with wood shavings while a carpenter was working with them. How can you help him in getting the nails and screws back from the scrap without wasting his time searching with his hands?

Answer 1

If the carpenter use the magent he can sort out the nails and screws from the waste without wasting his time or using his hands because the magnet attracts those nails and screws. Remember that nails and screws are usually made up of iron.

Answer 2

Answer:

by magnetic selection we can separate them