Underground CMM extracting system
Version vom 5. März 2012, 14:29 Uhr von Backhaus (Diskussion | Beiträge) (Die Seite wurde neu angelegt: „Underground CMM extracting systems are installed in digging areas where the gas release during mining is so enormus, that the Methane cintent in the ventilation a…“)
Underground CMM extracting systems are installed in digging areas where the gas release during mining is so enormus, that the Methane cintent in the ventilation air can reach more than 1%.
