着火时使用石灰粉末、氯化钠或干沙子灭火（禁止用水）；

S43C In case of fire use limestone powder, sodium chloride or dry sand (never use water).

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石灰已变成粉末。

The lime has turned to powder.

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首先，将石灰与水混合，反应十分激烈，操作时要小心！将粉末倒入水中，别搞反了。这样更容易控制反应的速率。

First hydrate the lime, taking care, for the reaction is violent! Pouring the powder into the water, and not the contrary, makes it easier to control the rate.

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