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Published 13:11 5 Sept 2022 BST
Updated 14:19 5 Sept 2022 BST

"But it was today you realised, finally, after all these years, they are there to tell firefighters where the hydrants are." That's right, it's just a handy tool for the fire crew to know where the water supply is. While a lot of us paid attention in school, many others admitted to not having a clue, with one person commenting: "Well I learnt something new today thank you!" [caption id="attachment_357154" align="alignnone" width="848"]@southyorkshirefire Top or bottom? #FirefighterTikTok #FireHydrant ♬ original sound - marianne
H for hydrant Credit: TikTok/@southyorkshirefire[/caption]
Someone else added: "I never knew. Everyday is a school day thank you."
A third wrote: “I used to think it was H for helicopter landing", while others asked what the numbers meant above and below the H, with one explaining: “Top is size and bottom is the distance from the sign.”
Using the sign in the video as an example, someone else added: “It means fire hydrant 100mm connection and it’s within 10 metres of the sign.”
There you have it.
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