Which is a disadvantage of Halon as a fire extinguishing medium?（）<br>A:Conducts electricity<br>B:Difficult to store<br>C:Large volume necessary to be effective<br>D:Ineffective in powdered metal fires

Which is a disadvantage of Halon as a fire extinguishing medium?（）
A:Conducts electricity
B:Difficult to store
C:Large volume necessary to be effective
D:Ineffective in powdered metal fires

出自：海船船员证

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