ARAUJO, Fernanda Santos; NEPOMUCENO, Vicente    ALVAREZ, Denise. In search of productivity in coal mining: an analysis of collectives and competencies in the details of the activity of small tractor operators. []. , 15, 1, pp.1-25. ISSN 1646-5237.  https://doi.org/10.4000/laboreal.1052.

We present the analysis of the activity performed by a mini-LHD tractor in a coal mining s elf-managed by the workers. Our objective is, from this activity, to reveal aspects of collective activity and of the elaboration and mobilization of skills, as a strategy to understand the issue of productivity in the company. Methodologically, we have contributions from: the Ergonomic Work Analysis; The paradigm of training actors in / by the analysis of the work for / by the action; And from the dynamic device of three poles. The theoretical-conceptual framework of analysis is focused on the concepts of collective, competence and on the contributions from Psychodynamics of Work. The results showed that the collective management of the enterprise still has few reflexes in the collective management of the activity. The de-structuring of labor collectives, due to the lack of trust and recognition, prioritized certain market values ??and limited the space for the development and mobilization of skills, negatively impacting production and health.

: productivity; collective; competencies; coal mining; participative observation.

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