One has tripped the other accidentally on purpose and now the other howls as if singed with fire.

NEWYORKER: M&M World

After all, those who constantly talk of war sometimes trigger it, accidentally or on purpose.

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At the hearing, Mr Webb said he had a can of petrol and firelighters in the vehicle but denied starting a fire accidentally or on purpose.

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And while most applications have default folders where the files they create (such as the Excel spreadsheet mentioned above) are saved, the path to such a folder may have been changed (by you or another user, either accidentally or on purpose).

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It can escape accidentally, through broken pipes, valves or other equipment, or be let out on purpose, when it is vented or not fully burnt during flaring.

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