PPP The Second Time Around
The Emergency Coronavirus Relief Act of 2020 passed in December contained $284 billion for the renewed Paycheck Protection Program (PPP). Click here to read the article.
I took a hydraulics/pneumatics class two years ago which had a very helpful textbook. It was a great class as well. I understand hydraulic systems now! I don't remember the name of it but I bet you could find one at a local community or technical college. Or even at a bookstore.