You need to know how to talk like a plumber if McCain gets elected...here's some help..
landscape irrigation lines are made of schedule 40 pvc..use schedule 80 in heavier duty situations...schedule 80 is also good for transporting chemicals..like liquid Cl2 ( industrial bleach)
when you flush your toilet, where does the doo doo go go? if you live in the hills it goes to a septic tank..if you're civilized it goes to the local wastewater treatment plant
did plumbers start the hip-hop trend of wearing pants below the ass crack? You betcha!
what is normal city water pressure? usually 120 psi..
What's psi? pounds per square inch
what is a pressure regulator? a device that regulates water pressure into your house..usually set at 60 psi
what is a water hammer? a pressure surge in a pipe that can do a lot of damage..that's why you should always close valves slowly..