Science, asked by pesmobilecr7w, 5 hours ago

please answer correct options wisely​

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Answers

Answered by gunagantidhanalakshm
1

Answer:

special maintenance

Explanation:

It is the work done under special condition and requires sanction

and performed to rectify heavy damage. It may be done for strengthening and updating of the structure to meet the new condition of usage or to increase its serviceability. It may include particular or complete renewal occurring at long interval, such as floors, roofs etc.

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