One of its early victories was in Jerusalem, where it found that a fire hydrant was indeed being used to fill a private swimming pool—pulling the plug, as it were, on a very surprised water thief.

探测引擎在耶路撒冷取得初步的成功，它发现一个消火栓实际在用来为一个私人泳池蓄水。 似乎，供水的突然停止得让这个偷水的家伙目瞪口呆。

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Some of the other firefighting equipment founded in Chicago is less high-tech: the snorkel truck, the fire plug or hydrant, the collapsible fire escape and the fire pole, which was invented by a Chicago fire captain in 1874 so firefighters could slide quickly to the ground floor.

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Once there, firefighters have to plug their engine into a fire hydrant--the equivalent of a wall jack in the information world.

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