A water tank is a container for storing liquid. The need for a water tank is as old as civilization, to provide storage of water for use in many applications, drinking water,

irrigationagriculture,

fire suppression, agricultural farming, both for plants and livestock, chemical manufacturing, food preparation as well as many other uses.

Water tank parameters include the general design of the tank, and choice of construction materials, linings. Various materials are used for making a water tank:

plastics (polyethylene, polypropylene), fiberglass, concrete,stone, steel (welded or bolted, carbon, or stainless).

Earthen pots also function as water storages. Water tanks are an efficient way to help developing countries to store clean water.

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