A gas leak aboard a sealed bus could cause a major fire if it grew dense enough and was ignited by a spark.

在一辆密封的公交车上，如果燃气发生泄漏达到一定密度并有火花引燃就可能造成一场大火。

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This is not something that most business owners think about, but insurance companies know that extension cords and space heaters are major fire hazards.

大多数企业主都不会考虑到这点，但保险公司知道延长线和小型供热器是重大火灾隐患。

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The 96-metre (315-foot) high tower which houses the clock was built as part of the rebuilding of the Houses of Parliament by architects Charles Barry and Augustus Pugin following a major fire in 1843.

在1843年的一场大火之后，作为重建英国国会大厦的一部分，建筑师查理斯•巴雷和奥古斯塔斯•帕金共同设计了这座96米（合315英尺）高的钟楼，而大本钟就在钟楼之上。

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Its long history almost came to an end two years ago when a major fire burned its South Hall building.

VOA: special.2009.08.21

Arcade Fire starting opening in concerts for major bands like U2 and working with big names like David Bowie.

VOA: special.2010.08.13

Arvalee Special School in Omagh has reopened, seven months after it was partially destroyed in a major fire.

BBC: Arvalee Special School in Omagh set to reopen after fire

Simulating a major fire on an oil rig for training purposes is not an easy thing to do.

ECONOMIST: Virtual reality

As well as the major fire in 2011, the plant was affected by a second fire in January 2012.

BBC: Kirkby Sonae plant owners admit fire liability