There are vent pipes throughout every building. If you feel they are not adequate you can add an AAV or two to help.
You must mean in DRAIN pipes. -It can not be used in plumbing pipes.
Yes, copper pipes are used extensively in plumbing.
Galvanized pipes are no longer used for home plumbing purposes. If you home still have galvanized pipes in you home then it indicates that your plumbing has likely never been updated.
yes, as they heat up or cool down they groan
Depends on the type of pipes as many acid systems do allow for acetone
The pipes that go into a house when it's built.
From the pipes and Plumbing coming into your home. :)
Of course they can
Lead.
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Plumbing
Polybutylene pipe is a discontinued pipe.