Attachments of lifebuoys, such as self-igniting lights, smoking signals and safe lines, are correctly connected and ready for immediate use.
救生圈附件，如自亮灯浮，烟火信号和安全绳等，均安放连接正确，并可立即使用。
2
This paper introduces the structure, self-igniting point, mine-light a fine of energy of acetylene, the very dangerous flammable gas. And proposes the measures of safe use.
本文从乙炔的结构、 自燃点、最小点火能等方面介绍乙炔是特别危险的燃爆气体，并提出了安全使用措施。
3
Nitrogen injection to the gob with buried pipes is used in 7235 full-mechanized caving mining face in Xuzhuang Colliery to prevent the left coal oxidizing and self-igniting.