Inflammable and explosive poisonous gas are gas occurrence boiler device of the primary risk involved in substance, the main composition is carbon monoxide (co), hydrogen (H2), nitrogen.

易燃易爆有毒的煤气是煤气发生炉装置涉及的最主要的危险物质，主要成分为一氧化碳(CO)、氢气(H 2)、氮气。

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In gas occurrence boiler in the gas produced by the gasification main component is nitrogen (50% above) and carbon monoxide, also contains hydrogen and carbon dioxide, etc.

在煤气发生炉中进行气化所产生的煤气的主要成分是氮(占50%以上)和一氧化碳，也含有氢和二氧化碳等。

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Katie Haines, 31, of Wokingham, drowned in the bath after breathing in carbon monoxide from a leaking boiler.

BBC: Wokingham man sets up charity after wife's gas death

His wife, Katie Haines, 31, of Wokingham, drowned in the bath after breathing in carbon monoxide from a leaking boiler.

BBC: Husband welcomes carbon monoxide decision