The abbreviation FMEA is short for Failure Modes and Effects Analysis. It's a tool that helps you look very carefully and systematically at exactly how and why things can go wrong, so you can do your best to prevent that from happening.
Rafael's previous employers used Minitab, giving him ample opportunity to figure out how to define experiments and variables to optimize detergent formulas most effectively. But Rafael's new employers didn't use Minitab. His boss challenged him to prove results before considering the investment.