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.
Dynamic verb. A dynamic or fientive verb is a verb that shows continued or progressive action on the part of the subject. This is the opposite of a stative verb.Dynamic verbs have duration. They occur over time. This time may or may not have a defined endpoint, and may or may not yet have occurred.or example, a dynamic verb may be said to have a durative aspect if there is not a defined endpoint, or a punctual aspect if there is a defined endpoint. Examples of dynamic verbs are 'to run', 'to hit', 'to intervene', 'to savour' and 'to go'.