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Q) Provided further that the Chief Inspector may permit the Owner of a group of mines having the total number of persons ordinarily employed below ground in excess of 5000, to use the Rescue Room as a Rescue Station excepting the functions of imparting initial training in rescue work, if such rescue room is: – (a) equipped with requisite Additional Rescue Apparatus including at least_______

25 extra sets of two-hour self- contained breathing apparatus
15 extra sets of two-hour self- contained breathing apparatus
10 extra sets of two-hour self- contained breathing apparatus
15 extra sets of 1-hour self- contained breathing apparatus
18 extra sets of two-hour self- contained breathing apparatus

Solution:

15 extra sets of two-hour self- contained breathing apparatus

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