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This paper presents a theoretical and practical approach of the evaluation concept of professional risk specific to activities of gas wells extraction and initial processing. The scientific research highlighted in this article was obtained during INSEMEX Project from The National Program for Research and Development PNCDI-CEEx. The main purpose of evaluating industrial risk is to prevent this type of risk and when there is no possibility to eliminate it, it is mandatory to reduce it up to the amount of residual ri...

Healthy and safe working conditions underground, especially in areas with potentially explosive atmospheres depend mainly on the method of operation and management of the ventilation system. For underground extraction of coal are running a complex network mining vertical, horizontal and inclined role extraction, transportation and evacuation the surface. Associated system of mining works has the air network to ensure the oxygen necessary for workers, diluting explosive gases and toxic substances and preparations t...