“…Daldon and Lancman 23 confront the development of the VISAT, incorporating the acting, conscious worker with the current panorama of limitation of material and human resources, and of little investment in technical training, showing that the strategy of adding this actor to the Surveillance process is still a work in progress. However, it is worth stressing that the active participation of the workers as a crucial point for the development of the VISAT is an aspect highlighted by practically all the authors that produce research on this subject 17,21,24,25 .…”