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The mining industry in Maramureș area was an important factor of economic and social progress in this zone. The gradual reduction of th mine activity, until its actual shutdown, has caused disturbances in the economic and social field. This type of industry was, and it continue to be, even in inactivity periods, a pollutant factor. Protecting the environment is an objectiv to be taken into consideration cross-borders, from local to national and, certainly, to the global level. The national policies of labour force reconversion and retraining are needed in former industrial areas, where mines or factories have been closed. There where pollutant industries had developed, all actions which are protecting the environment are useful and required. If the steps of retraining the labor force that worked in polluting industries are taken in order to improve the economic activities which includes environmental protection, it will be an advantage for the sustainable development of the local and the national community.
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