Believe it or not, fire hydrants "speak" to firefighters. They communicate through the color scheme with which the hydrant is painted. This is a standard means of communication and some variant of the ...
The Family Handyman on MSN
What the color of a fire hydrant actually tells firefighters
See a fire hydrant that's not red or yellow? It isn’t random. Here’s what hydrant colors signal about water flow and why firefighters rely on them.
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