One of my state's FTTH ISPs recently posted new backup generators that they got installed. When I commented that I had a small part in those my wife quipped, "I don't even know exactly what you did". Mechanical engineering is a large field, but this is my niche.
Rather than starting with what I do, lets work backwards from what you see, the full package. This is a diesel genset. It consists of a diesel engine and generator.
It makes electricity. Electricity for hospitals, stores, ISPs, factories, etc.
gallery_root="../galleries/What I Did/" from IPython.display import Image, display, YouTubeVideo def i(image): display(Image(gallery_root+image)) i('ACD_CatGenerator.jpg')
If you take away the sheet metal, inside of all that is a diesel engine, like this one: