How do fire sprinklers work?

or:How do fire sprinklers work?or:At 135 F a bulb filled with liquid that works as a plug gets so hot it shatters and releases water, this sets off a

or:How do fire sprinklers work?

or:At 135 F a bulb filled with liquid that works as a plug gets so hot it shatters and releases water, this sets off a chain reaction

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