mine atmosphere मीनिंग इन हिंदी

The flame on reaching the gauze fails to pass through and so the mine atmosphere is not ignited.
In addition to his work on mine atmospheres, he investigated the air in enclosed spaces such as wells and sewers.
High levels of carbon monoxide ( CO ) and methane gas in the mine atmosphere made it necessary for rescuers to wait 12 hours after the explosion to begin to reach the miners.