On this website you can also look at the best inventions of previous years. For each invention there is a picture and a short text that explains what the invention is and how it works. The texts are short and easy to work with, and most entries have an internet address for more information.
These inventions are a good source of material for process description in almost any area of engineering. I’ve used texts for robotics and automation engineering, mechanical engineering, computer science, information technology, biomedical engineering, medical sciences. And there are inventions for many more areas.