Question

explain the concept of valve additional with example​

Answer 1

Answer:

A valve is a device or natural object that regulates, directs or controls the flow of a fluid by opening, closing, or partially obstructing various passageways. Valves are technically fittings, but are usually discussed as a separate category.

Answer 2

ANSWERS :

Value addition refers to creation of a competitive advantage by , combining , packaging features and benefits or through any other method that results in greater customers acceptance.

It's example are :

i). Turning cotton into fabric. Here, fabric has more usefulness then cotton.

That's all .

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