Let's assume your customers requirements are 25 PPM. That means that you would be allowed 25 pieces for every 1,000,000 pieces or 250 defective parts per year. Or to put it another way, one bad part per day! Notice I did not say one bad part per day per person or job, or shift or machine.
The dynamic inheritance allows you to follow open-closed principle by extending classes without modifying existing classes and allows you to choose features that you need at runtime. Of course, dynamic languages such as Ruby make this a lot easier as you can extend classes or objects with modules at runtime, e.g.
A Dynamic Purchasing System (DPS) is an electronic system mainly used by a contracting authority to purchase commonly used goods, works or service within a limited duration.he buyer must usually evaluate a tender within 15 days of having received it and submit it to the Dynamic Purchasing System. This evaluation must include all tenders that match the specification. Once admitted, the supplier may improve a tender at any time but new providers can still join the DPS too.