This is in the run-up to:
"Listening at work
What do you know about old age? I am still decoding the PC abbreviation as a Fire Crane, not a Personal Computer!
It is not old age, but stupidity given for experience. Because the firefighter is HYDRANT.

Maybe the young man did not know but the hydrants were not called in the Union. And starting from the school and kindergarten, a person saw cabinets with firearms built into the walls on which was written -PK. The fire crane.