Please do not put combustible and explosive materials together with mobile phone for the inside spark may cause fire.

请不要将易燃、易爆物品与移动电话放在一起，内部的火花可能引起燃烧。

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It was this explosive growth that helped spark the current troubles.

CNN: Going Nowhere

This one is so explosive that Marshall is likely to reserve it for late in the game, when a shot of rage can spark new life in tired legs.

WSJ: Wichita State: Wichita's Furious Quest for Respect