An edited recording that sounds like what it might be like inside a chemical factory. Actually, it's a slightly modified ...
Industry machine sound processed usable as background
Mazda MX-5 getting revved (Eunos Roadster edition with custom fitted HKS exhaust system through to manifold).
About 20 cars using claxons rec by camera recorder SONY VX-2100 accidentally
White noise, manipulated until it sounds like a big volcano erupting