A.oxygen and explosion meter when it is used for detection of flare gases
B.self-contained breathing apparatus，when used as protection from gas leaking from a refrigeration unit
C.boots and gloves that are made of rubber or electrically non-conductive material，if used when repairing electrical equipment
D.lifeline，if used by personnel entering a compartment which might be deficient of oxygen
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A.on
B.in
C.with
D.for
A.control flooding，control fire，repair structural damage
B.restore vital services，control fire，control flooding
C.control fire，restore vital services，control flooding
D.control fire，control flooding，repair structural damage
A.a request for assistance
B.the location of the unit at the time of the casualty
C.an estimate of the cost to repair damages
D.the amount of fuel remaining
A.repairing
B.to repair
C.repairs
D.have repaired
A.repairing
B.to repair
C.repair
D.to be repaired
最新試題
I hereby request permission to（）the ship hull for routine maintenance.
No claim for constructive total loss based upon the cost of recovery and/or repair of the Vessel shall be recoverable hereunder unless such cost would exceed（）.
The Loran needs（）.
If your bridge-to-bridge radiotelephone ceases to operate，you must（）.
Rivets are usually made of（）.
If the Certificate of Inspection of a damaged tank barge has expired，which certificate may be issued to allow its movement to a repair facility?（）
The damaged derrick（）now.
I’ll have the damaged parts repaired in Hongkong and send you in due course the amount of expenses（）.
Repairing damage to the hull at or above the waterline reduces the threat of（）.
The required fireman’s outfits required for ship’s are not to be used for any other purpose EXCEPT for the（）.