求翻译：第一，要注意用火用电安全，不需用电时电源要及时拔下，禁止玩火，第二，出现火灾是及时拨打火警电话，第三，掌握一些基本自救知识，如用湿毛巾捂住口鼻是什么意思？

First, we must pay attention to the safe use of electricity with fire without electrical power to promptly remove, non-playing with fire, the second, fire occurs make fire calls in a timely manner, and the third, grasping some basic self knowledge, such as with wet towel and covered her mouth and nose