Fire Scene: You Call This a Prosthetic Leg?

At the fire scene, a firefighter ripped off an old man's prosthetic leg. I thought it was an ordinary prosthetic leg, but the prosthetic leg expanded and exploded when heated. A large amount of white mist evaporated, the surrounding temperature dropped rapidly, and the burning fire was extinguished instantly. This magical scene attracted everyone's attention. Uncle, was that your prosthetic leg that flew into the sky just now? What, you call that a prosthetic limb? That's a fire extinguisher! Uncle, where did you buy your fire-fighting prosthesis? Here is the link. Facing the crowd's questioning, the rescued uncle suddenly pointed at Lin Yi, who was standing behind the crowd. "That's him. He gave me the prosthetic limb that can put out fires!" This book is also called I use black technology to benefit all mankind, and I dedicate black technology to the country. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.