(a)- What is the main purpose/s of plumbing systems to the building? 


(b)- Define the meaning of “water supply and distribution system”.


(c)- Why we call the water as “Universal Solvent”, clarify your answer.

(d)- State three of natural water sources you can see in the surrounding.

(e)- List down four types of piping materials we are using for water supply and distribution systems. (Express the short terms)

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