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Want to support this channel and help us preserve old films? Visit Visit our website This 1970s color film produced by the U.S. Department of the Interior’s Bureau of Mines stresses the benefits of mine ventilation systems to the underground miner. Booster fans, air curtains, ventilation tubes, and other methods of avoiding unventilated “dead end” zones are introduced in dramatized safety demonstrations that warn of carbon monoxide poisoning and gas exposure (TRT: 20:24). Snow covered mountains and coniferous trees (0:08). Opening titles: “Breathe and Live: Ventilation in Metal and Non-Metal Mines” (0:40). Exterior: A mining operation. Miners wearing safety glasses and hardhats ride a mine shaft elevator (0:55). A disgruntled miner on the subject of fresh air: “You ain’t getting it, mister, and you know it.” Another says, “When the air’s close, brother, you can tell” (1:29). A rescue team wearing respirator masks investigates the disappearance of m
