This is the problem with college in the U.S.A. It has become a business and you will be lucky to finish, before they change your required courses to get your degree. I have worked as a machinist and machine builder for over 12 years. I am currently going back to college at the age of 33. The reason they don't teach you how to actually produce the part is because manufacturing business in the U.S. is being outsourced overseas. If you want to go into business for yourself I would highly suggest you take additional classes to teach yourself the essentials of the actual production side of business. Everyone in this country is more concerned with making money than actually teaching you what you need to know. Most people are now more afraid of how they might fail instead of all the possibilities life has to offer. Remember to go after whatever you want and to ignore those who oppose. Sorry so long.