Sagot :
what is hand picking used:Handpicking is a seperation technique used to remove the unwanted impurties from the mixture by hand. It involves simply picking out substances by hand and separating them form others. Handpicking method can be used when items differ on the basis of color ,shape and weight. what is hand picking sieving:Sieving: The process of separating fine particles from the larger particles by using a sieve, is called sieving. This method is used in a flour mill where impurities like husk and stones are removed from wheat before grinding it what is an example of seiving:An example of a sieve in use in the kitchen in everyday life is a tea filter, which is used to separate tea leaves from water or a pepper grinder and shaker, which allows a certain range of particles of pepper to pass through and fall on the egg and toast.