Ah, the science I know from the drains, not books. The tank holds the waste, the soak pit lets the water seep out, leaving the solids. But that gas... it's the rotten-egg smell, the *gondho* of death, hydrogen sulphide. It sits heavy in those tanks, waiting. People say "carelessness" kills, but I say hunger does. My cousin fell in because the municipality's bamboo pole was rotten, and his *jhute joto* pay meant no proper mask. We know the "how," but the "why" is always a cheap rope and a desperate man.
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