Question

Water conveying pipes are made of

Answer 1

iron,polyvinlyn chloride PVC , Cooper , steel

Answer 2

hey your answer is here. .. Cast iron and ductile iron pipe was long a lower-cost alternative to copper, before the advent of durable plastic materials but special non-conductive fittings must be used where transitions are to be made to other metallic pipes, except for terminal fittings, in order to avoid corrosion owing to electrochemical ...
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