Design for Six Sigma
Design for Six Sigma (DFSS) is a quality management method for achieving virtually processes and is part of Tenneco's "Global Process Excellence" strategy.

DMADV - the 5 phases of the method:
- Define project objectives and customer requests (internally and externally
- Measure and determine customer needs and specifications
- Analyze process alternatives to reach customer needs
- Design the process (in detail) to reach customer needs
- Verify ensure design performance and possibility of reaching customer needs