you get a large sifter and sift medium sized portions( about 5-6 cups) then put sifted soil in a seperate bucket and sift the rest then when stones are removed put them in your neighbors yard... secretly

You cannot put back what has been fluffed so sifted flour and unsifted are unequal in quantity of flour. You can sift the unsifted to make an equal measure like the sifted flour. MamaPat

After.

"Sifted" translates to "tamisé" in French.

Here is an example:

After cracking the eggs I must sift the flour.