Question: what are the materials and tools used in plumbing?
Answer: Pipe wrenches. Used in pairs, one to grip the pipe and the other to turn the fitting, pipe wrenches have adjustable, toothed jaws designed for gripping and turning threaded pipes and pipe fittings. ... 
Adjustable wrench. ... 
Rib-joint pliers. ... 
Locking pliers. ... 
Hacksaw. ... 
Screwdrivers. ... 
Measuring tape. ... 
Pipe cutter.