The changes on the division and organisation of capitalistic labour demand that workers have access to new knowledge. We try in this article to understand such changes and what is new about them. We do it through the examination of two hypothesis. The first concerns the change on the government of work, that is, the government of men as workers. This new government does not assume a tayloristic form anymore, but it reproposes its political-ideal. The second one refers to the worker's experience regarding the access to knowledge considered a crucial part of his qualification. Our study has been developed both on the theoretical and on the empirical levels. Theoreticaly we discuss politics in it's reducionistic connotation, that is, as an expression of the government of some men over others in the work situation. We related this government to the conception of work in which men as whole being, are used by others as workers. This conception made it necessary to hear workers about their work activities through enterviews. We articulated both the theoretical and the empirical level of the study through the categories of subject and of social agent, which are part of our hypothesis.