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Our lever-powered piston pump and foot-driven treadle pump looked feasible when analyzed in MathCADMathcad, but our piston seal was found to be inadequate in testing which seemed to render these pumps inadequate.
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Our lever-powered piston pump and foot-driven treadle pump looked feasible when analyzed in MathCADMathcad, but our piston seal was found to be inadequate in testing which seemed to render these pumps inadequate.
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