Lead / cast iron I have accounts where the lead pipe was installed in the late 1800's and still working like brand new
Its your bathtub drain.
a tub drain has an over flow and a waste drain that tye together at the tub then it is usually connected with a compession joint to an 1 1/2" trap that goes to a san-tee that should not be more than 5' away.
No I would never use copper or brass in any home for a waste and overflow on a tub. I would use all glue together waste and over flows because they last and are strong .
No.
Drain, Waste and Vent System. It is all of the Drain and Waste piping and their associated vent piping
Waste material can be made, into what ever you want it to be!
Waste products can harden and can block the open drain.
Absolutely NOT as NO sewerage shall enter a waste line (soil)It does require a "waste trap" such as a "P" type
hazardous waste
Waste
Waste gases come out of their leaves. Other than that, they don't excrete any waste material.
Own waste line 2" (Shower) 11/2" waste tub and both need to be trapped and vented