This is achieved with a work process based on the following principles: _ optimization of the use of resources and incentives to the use of replacement raw materials; _ preliminary assessment of the environmental impact and its minimization during the life cycle of the extractive activities; _ preparation of cultivation plan fully consistent with the rehabilitation project for the site; _ interpretation of legal provisions as a minimum requirement in the preparation of the rehabilitation project; _ stakeholder involvement through initiatives aimed at transparency, discovery and assessment of the needs of the local economy and community; _ voluntary initiatives on the issue of biodiversity.