First, a large trommel separates materials like appliances and fabrics.

Sorry I busted up your sluice boxes. Looks like you'll be out of business for a while.

For, behold, I will command, and I will sift the house of Israel among all the nations, as grain is sifted in a sieve, yet not the least kernel will fall on the earth.

For, lo, I will command, and I will sift the house of Israel among all nations, like as corn is sifted in a sieve, yet shall not the least grain fall upon the earth.