Copper: one of the most common plumbing materials, although gradually being replaced, mainly used for water conveyance.

Don't add so much material that you bind the threads. Apply pipe dope to male threads If the pipe dope ... The exact origin is unclear, but I found stories indicating DOPE is an old plumbing mnemonic ...

Transparent information about materials' composition and sourcing is crucial. The global plumbing pipes market is expected to grow, driven by the need for sustainable building materials.