The Hidden Power of Sewage. St. Paul’s Co-educational College. Lo Ka Shun, Parco Tsang Tin Ki, Angela Wong Ho Gan, Albert Poon Wing Yiu, Sarah. How much sewage we Hong Kong people produce each day?. X 1400. 2.6 million cubic metres!!. Working Principle.
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The Hidden Power of Sewage
St. Paul’s Co-educational College
Lo Ka Shun, Parco
Tsang Tin Ki, Angela
Wong Ho Gan, Albert
Poon Wing Yiu, Sarah
How much sewage we Hong Kong people produce each day?
2.6 million cubic metres!!
A dynamo changes kinetic energy to electricity
1.5 metres long plastic PVC water pipe
plastic box with a watermill
2.Slightly tilted plane
1.top and bottom each have a hole for the entry and exit of water
3.An arc is craved for the watermill to tuck in
4.space below the watermill is enlarged