The question is about different types of pipelines, materials used in plumbing, and the structure of plumbing systems.

• Different types of pipelines include water pipelines, gas pipelines, and oil pipel...read more

Cast iron pipe line,

HDPE pipe line,

Gate valve, butterfly valve, ball valve, flow and pressure control valve, flange adaptor, pressure switch,

Chlorination dosing system used in water supply plant,

C...read more