The text covers simple hands-on methods and more advanced methods, and emphasises the balance between using available technology, equipment and other facilities, and a sound view of what is needed.

Third, I'd like to answer these questions from sound points of view and tell you a little bit about what we are doing and how we are doing it.

This is one of my favorite sayings especially in view of the fact that talking the talk is so prevalent and walking the walk so rare in this age of sound bites.