So here was the task: who would dive in there and open the bolt on the safety valve?

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Shooting a giant electric chamber with your electric bolt to open a door is not a puzzle.

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One activist video showed men in camouflage uniforms using bolt cutters to force open the metal shutters of locked shops on a Damascus street.

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Bolt is, however, more open to the idea of lowering the 200m record even further.

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