However, if you have mastered the basic steps of preview, close reading, summary, and review, you will find ways to adapt your study routine to all kinds of texts.
Technical textbooks tend to be denser than other texts.
Underlining is often not useful. Diagrams, illustrations, and graphs convey much of the information. The graphic representations are an integral part of the text's discussion. They are intended to be read and analyzed carefully. In fact, it is often difficult to make sense of the text without the diagrams.