Read up on NA

We also recommend that you consult the following resources:

O*NET online: a directory of job-related tasks. Although Geoff refers to the Dictionary of Occupational Titles (DOT) in the presentation, the results shown are from O*NET, which provides an even greater depth of information.
Target Task Description Document. This NA tool was developed by Roger Gilabert and adapted for use by SLB in a collaborative project with BA students at the Universitat de Barcelona.