A kind of self-unblock device for emergency access door is introduced.

介绍了一种安全通道门、锁自启装置。

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Mr Tessmer also said many people thought a door inside the nightclub, which gave access to the loos, was a possible emergency exit.

BBC: Could Brazil's club fire have been avoided?

Poland refused, blocking access to the bus's narrow aisle as at least 21 children escaped out of the back emergency door, according to police.

CNN: STORY HIGHLIGHTS