25.
If the determination made driving the thirty days immediately proceeding any day have shown the percentage of inflammable gas to be below . . . . . . . . it shall be sufficient to make such determination, once in every . . . . . . . . days for so long as such does not exceed that percentage.

27.
Which section of the Mines Act 1952 & CMR 2017 impose bindings to give notice of accidents in mines?

29.
Regarding Annual Returns to be submitted by the Owner, Agent or Manager of a mine to the District Magistrate & Chief Inspector, which one of the following is true?

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