Hydraulic Systems

Watch the two video below and take notes. Find something in the videos that you did not know about reciprocating engines or something that particularly interests you. Create a discussion post to share this information with the class. This discussion should be at least 250 words long. Your initial post is due on Wednesday by 11:59 pm Eastern Time. Reply to at least two of your classmates' posts. The replies must be substantive. A reply of one or two sentences is not substantive. first video : https://iad.cdn.nv.instructuremedia.com/originals/... second video : https://iad.cdn.nv.instructuremedia.com/originals/...