Kindly refer to below and attached image. ​  No prototype required.  Focusing on research skill, critical analysis.  Review the current the water saving products in the market.  Compare and contrast the product performance via experiment setup.  Comparing and analysis between the current products to narrow as triangle.  Critique the design and suggest the design improvement.  Model the improvement design using CAD, ANSYS with simulation study.  Problems with Research Findings.  Cost, Time, Quality, Human resource, risk, procurement, integration