One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； Question 336
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When fighting a **chemical** fire, ( ) covering it with sand is used to prevent further damage. A. It is necessary B. It is prohibited C. It is allowed. Answer: B
B. Prohibited---------------------------------------------------------
I think it’s necessary, so I chose aA
Most sources of fire should be extinguished with sand! ! I choose Yes
When fighting a **product** fire, (c) cover it with sand to prevent further damage
When fighting a **product** fire, (a) cover it with sand to prevent further damage. A. Must B. Prohibited C. Allowed
When fighting a **product** fire, (b) cover it with sand to prevent further damage
When fighting a **type of fire, (B) it is prohibited to use sand to cover it, in order to prevent greater damage. A. Must B. Prohibited C. Allowed
A. It is necessary. . . . . . . . . . . . . . . . . . . .