Question

in what the vessels of copper and brass are coated inside​

Answer 1

Answer:

Copper and brass vessels are subject to chemical action caused by sour or acid food placed in them. This action is lessened, if not prevented, by the tin-coating applied to the vessels. Persons who have made tin-coating a profession are called 'Kalhaiwallas'.

Explanation:

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Answer 2

Explanation:

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