单选题What additional precautions should be taken when making temporary repairs to a ship that is operating when hydrogen sulfide is present?（）ASeal off all tank and compartment ventilationBRemove all bulk materials from the P-tanksCProvide respiratory protection and monitoringDAll of the above
单选题
What additional precautions should be taken when making temporary repairs to a ship that is operating when hydrogen sulfide is present?（）
A
Seal off all tank and compartment ventilation
B
Remove all bulk materials from the P-tanks
C
Provide respiratory protection and monitoring
D
All of the above
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