Coal Miner's Canary Cage I beam #authenticindustrial #bethlehempa #bethlehemsteel #designedinbethlehempa

#authenticindustrial #bethlehempa #bethlehemsteel #designedinbethlehempa

Witch Hazel

while having more control over demand and pricing

and numerous contributions to national infrastructure and defense

Coal Miner's Canary Cage I beam #authenticindustrial #bethlehempa #bethlehemsteel #designedinbethlehempaCoal Mine Safety For centuries and throughout the world, miners have been taking canary birds in small wood metal cages down into the mines to warn them of potential danger, to test for noxious and poisonous gases, especially carbon monoxide, which is colorless and has no taste or smell. If a tunnel or shaft collapses or is blocked, diminishing the oxygen supply, the canary will be the first to react, swaying on his perch, usually dying, alerting the