human power pump
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Human Power PumpHuman Power Pump
DEPARTMENT OF MECHANICAL
ENGINEERINGTHE HONG KONG POLYTECHNIC
UNIVERSITY
Ir K. K. Lo
CEng FIMechE FIMarEST
DEPARTMENT OF MECHANICAL
ENGINEERINGTHE HONG KONG POLYTECHNIC
UNIVERSITY
DEPARTMENT OF MECHANICAL
ENGINEERINGTHE HONG KONG POLYTECHNIC
UNIVERSITY
DEPARTMENT OF MECHANICAL
ENGINEERINGTHE HONG KONG POLYTECHNIC
UNIVERSITY