If you are referring to a regular building, the cold water feed pipe goes directly to all cold faucets, toilets and hot water tank. The purpose seems obvious.
What is the function of a cold feed and expansion pipe is to
the difference are as follows. the direct water supply comes from the outside main water supply directly into the sink. the indirect water supply has mains cold water collected in a cistern which in turn supplies water to the sink.
If you are referring to a regular building, the cold water feed pipe goes directly to all cold faucets, toilets and hot water tank. The purpose seems obvious.
supply potable water
The Plumbing system with your house has the role of transporting the water in the water supply system or the hot water from the heating system into your home. It is a set of well connected pipes and heating bodies that play the key role in heating up your home. I hope this helps. Bibika
A qanat is a water supply system used to supply a reliable amount of water to human settlements
Sydney Water Management System.
Vent - Cold Water Supply - Drainage - hot water supply /return
Simply to provide a backup supply should the main supply from the water company be cut off
Water, especially in the ocean, is in abundant supply and it can be recycled easily, too.
to clean the people
the drainage basin
Transportation