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.
So, what is a dynamic IP address? Well, a dynamic IP address is one that changes from time to time and isnât always the same. If you have a residential cable or DSL service, you most likely have a dynamic IP address. Internet Service Providers (ISPs) provide customers with a dynamic IP addresses because they are more cost effective. Instead of one IP address always being yours (a static IP address), your IP address is pulled from a pool of addresses and then assigned to you.