In order to be a student and keep track of all the classroom information I recommend keeping a binder filled with notes, handouts, resources and drawings to map out the welding course. Bring it to each class and update as you progresses through the program. When it comes time for review it is proven that writing the notes in the first place then coming back to it will strengthen the mental connection to the information. Our hope is it will be easy to access far into the future.
There are many strategies for taking notes:
A Note Taking System Called Concept Maps - Tutorial