Most manufacturing companies have them – ongoing problems that result in scrap or rework on a regular basis. The problems may be addressed, but they’re never fully solved. And it’s no surprise that many firms also have issues with delivery and waste. Lean Manufacturing tools can improve the speed of processes by reducing waste. But to solve deeper issues related to quality, precision and process variation, it takes Lean Six Sigma, a method designed to tackle waste and variation issues using both Lean and Six Sigma tools.