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 Generation. â¦is a concept used by anthropologists but not usually with this term. This is similar to the biological generation but applied more broadly across a group of people. You (Ego) relate to everyone else of your age as being in your generation (your siblings, your parents siblings children, etc.).