“…As we further examined the accounts of politically-active representatives, we realized that there were important differences in the kinds of knowledge they used and the ways they used that knowledge, that is, we began to recognize that some representatives were making much more explicit, active, and effective use of indigenous, technical, and legal knowledge in order to identify hazardous conditions and substantiate their claims for improvements (Bryce and Manga, 1985;Walters, 1996aWalters, , 1996bWalters, , 1996c. Representatives who displayed this approach distinguished themselves by their active and autonomous pursuit of specialized knowledge and information-knowledge they then used to identify hazards, to assess risk, and most significantly, to strategically and tactically achieve changes.…”