Explain this activity in 15 lines of sanskrit.....
Pls ans it.. Who will give right answer I will mark the answer as brainliest, give thanks and also follow them.
Not big lines
U can give ans in 15 short lines......
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Conventional sand filter
Layers of sand and gravel, arranged according to density and sand particle size, trap and strain particles in the water. Water flows relatively fast (5 to 30 metres per hour) through the layers. Filtered water is then collected in a pipe, and passed on to the next treatment process.
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