Could somebody help me ask Oda why Jango's disk didn't split Luffy's head into two?
Go Put in your state and they will give you more contact information.
There are several schedules. The most common are 40, 80, and 160. Schedule 40 is the most common for typical cold water plumbing. Schedules 80 and 160 are usually used for drain pipes. There is also CPVC, which is used for hot cold plumbing.