and preventing fights with the fire extinguishers

Ok, give me a fire extinguisher and I will use it (or its contents) to prevent fights! I prefer powder or foam extinguishers for that purpose, CO2-extinguishers make the room go cold...

And keep enough fire extinguishers at hand, these things don't work for very long, so if I have to prevent more than just a few fights...

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only three weeks now!