This is some footage from the Dazu district of Chongqing, China of a group of six large firefighting drones developed by Guofei General Aviation Equipment Manufacturing performing their first fire drill by extinguishing a controlled fire on the exterior of a simulated high rise. They all operate with a precise aiming nozzle that fire extinguishing spray is pumped up to. Simple enough, just make sure not to get your hose too twisted. "Was that a sexual metaphor?" Everything is a sexual metaphor if your mind is dirty enough. "Have you ever gotten your hose twisted, GW?" Like a Twizzler that got twizzled twice.
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Thanks to hairless, who agrees it's a shame the future had to come so late.