Materials for this training session appear both in this workbook and as electronic files on the CD that accompanies this book. To access the files, insert the CD and look in its ‚“PDF Files ‚½ directory for any handout, learning activity, or training instrument referred to in this chapter. You will find more detailed instructions and help in locating files on the CD by referring to the Appendix, ‚“Using the Compact Disc. ‚½