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The paper approaches a series of researches that concern the finding of a solution for modernizing the cutting wheels of the extraction tower of Slanic Prahova salt mine. With this in view and starting from the observation that the former solution is worn out, a new variant has been conceived and designed in order that it might be applied to the structure of the extraction tower without important changes. Specialized software has been used for the assisted analysis and designing, which is able to provide the correct interpretation of the results, as compared with the former ones. Mining machines are industrial systems of great complexity and importance in the process of extracting useful minerals. This category of installations is an important factor in the operation of mining enterprises and the modernization processes for maintaining and exploiting technical and economic performance and are the only feasible option for continuing the extraction processes. From this point of view, maintaining their high-level production features while observing safety and lowest manufacturing costs turns maintenance into a priority. The paper, which is an original one, also offers a working and approaching methodology, being generally applicable under other similar circumstances. [ABSTRACT FROM AUTHOR]

Establishing public policies that result in decision-makers and citizens who are much more active when drafting, using, or pursuing how to implement strategies on proposed goals through sustainable development. Romania's National Strategy on Sustainable Development is based on the European Union Strategy for Sustainable Development with the set-ups set in Lisbon, and it is meant to be a binder for the elaboration and establishment of new public policies, which have the effect of changing the attitude of the society Romanian and decision-makers as well as citizens are much more active when drawing up, using or pursuing the implementation of strategies for the proposed goals through the application of Sustainable Development. This requires very good collaboration between civil society, the local community, citizens and social partners. The paper aims to achieve a harmonious correlation of the economic, social-cultural and ecological elements in establishing the sustainable development strategy of Oltenia basin. [ABSTRACT FROM AUTHOR]

In order to carry out the lignite extraction activity, the quarries in Oltenia basin occupy land areas, which before the exploitation had another destination. From the researches carried out it was found that the most occupied areas are the woodlands. The most affected will be Mătăsari locality with the neighboring villages (Brădet, Runcurel, Mătăsari, Croici), of which 341 households (274 households from Runcurelu village, 60 households from the village of Croici, 5 houses from Mătăsari and 2 households from Brădet village), a cemetery, a school, a church (all from Runcurel village), Motru town with the belonging villages - Roşiuţa, Ştirbet, Lupoiţa and Ploştina, of which, due to the extension of Roşiuţa and Lupoaia will have to be displaced by 103 households and a cemetery (belonging to Roşiuţa village), Cătănele commune, due to the extension of Lupoaia quarry, 96 households, a cemetery and a church (belonging to Lupoaia village) and Slivileşti commune, due to the extension of South Jilţ and Roşiuţa quarries will have to be displaced by 6 households (5 households from Ştiucani village and one from Miculeşti village). The paper aims at identifying the current and prospective stage of the areas affected by exploitation in Oltenia basin through a sustainable assurance [ABSTRACT FROM AUTHOR]