Essential Lean Six Sigma Tools To Use With The DMAIC Approach.By ZYT / July 20, 2020 Lean six sigma is used to reduce waste. In DMAIC approach we have to reduce defects. Under lean techniques we use following tools – Process Mapping 8 Wastes takt time VSM Process Improvement using FMEA Focus is on using the key inputs with the right costs to achieve customers expectations, measured using CTQ. Our Popular Courses Six Sigma Green Belt Online Course Six Sigma Black Belt Online Course