单选题Which characteristic is an advantage of Halon as a fire extinguishing medium?()AElectrically non-conductiveBRelatively inexpensiveCEffective against chemicals containing an oxidizerDAll of the above
单选题
Which characteristic is an advantage of Halon as a fire extinguishing medium?()
A
Electrically non-conductive
B
Relatively inexpensive
C
Effective against chemicals containing an oxidizer
D
All of the above
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