(1)Wheat before being ground into flour should be thoroughly freed from dirt, unsound grain and any other deleterious substances. The flour shall be sifted through a fine perforated zinc sifter (No. 6 gauge) or equally fine wire gauze. One part wheat flour gives 1.45 parts of bread, provided no more fuel is required for the purpose.Note. - The estimate of the total bread to be obtained from 50 kgs. of flour should be 69 kgs. of bread.
