1.sand and water-filtering or sieving
2.milk and granted coconut-filtering or sieving
3.dried tea leaves and hot water-filtering or sieving
4.gasolin and marbles-filtering or sieving
5.gravel and sand-filtering or sieving
6.water and the faucet-filtering or sieving
7.flour and small pebbles-filtering or sieving
8.seeds and flour-filtering or sieving
9.stones and water-filtering or sieving
10.grined rice and pebbles-filtering or sieving
11.seeds and tomato-filtering or sieving