A、put back in service if more than 50% of the charge remains
B、repainted
C、discarded
D、recharged
更多“After using a Halon extinguisher，it should be（）.”相关的问题
A、We must use all kinds of tools carefully and return it after using. B、We must use every tool carefully and return it after using. C、A+B D、We must use everything carefully and keep it after using.
A、The agent is considered nontoxic at room temperature in low concentrations B、The agent is less effective than carbon dioxide C、Halon primarily extinguishes the fire by cooling D、The agent cannot be used on electrical fires because it leaves a residue
A、Immediately use all the signals at once B、Use all the signals during the first night C、Employ a signal every hour after abandoning ship until they are gone D、Use them only when you are aware of a ship or plane in the area
A、After an unsuccessful reboot B、If a user’s IP address has been spoofed C、After using IPCONFIG /RELEASE D、If the computer has an ARP address conflict
A、A.base of the equipment B、B.top of the equipment C、C.power source D、D.source of the fire
A、Leaves a residue B、Cost，relative to other agents C、Breaks down while under prolonged storage D、Conducts electricity
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