-How much did that cost?
-$800 for disposal, then $1400 for the water ball.
•Were your parents mad?
•Where did you buy the Waterballs?
•How much of them?
-1600 pounds, 25 Million.
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Bill reveals the stunning engineering underlying the design of a diaper. He describes the five layers of a diaper, including the superabsorbent polymer in the diaper's core. He... continue reading
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