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Reducing the risk of occurrence of phenomena such as poisoning, as a result of the untimely penetration of a certain amount of toxic gases, inside a ventilation installation, is a priority, regarding the health and safety of workers, material assets and the negative influence on the environment, due to the possible problems caused by the occurrence of toxic atmospheres, formed by mixing air with toxic gases and vapors. In closed or semi-closed industrial and non-industrial buildings, effective ventilation is the p...

On the territory of Romania, there are large salt deposits grouped on either side of the Carpathian mountains. Made up of over 300 large salt deposits covering an area of about 30,000 km2. The Trotus mine within the Targu Ocna Saltworks Branch was opened and put into operation in 1971, with the objective of dry salt exploitation, using the mining method with small chambers and abandoned square pillars, with a vaulted ceiling. Currently, Salina Trotu? has 14 horizons: 2 at the level of the Pilot mine and 12 at the ...