Question

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Question 25
The safe and efficient use of the face piece of a demand-type self-contained breathing
apparatus is directly influenced by __
(a) the donning of the face piece
(b) the stowing of the face piece
(c) the maintenance of the face piece
(d) all of the above
Answer:D
SUBSCRIBE
ड
D
NOW
)​

Answer 1

Answer:

all of the above

Explanation: