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Aug 08, 2014 · The phrase canary in a coal mine comes from an actual practice of taking a canary into teh mine shaft. If the canary died it meant there was carbon monoxide present and was a warning to leave for a better ventilated place. A precursor is a thing or condition that comes before something malign. The components of the word signal its meaning.
· WARRIOR MET COAL is a unique example of that phenomenon. In 2016, the previous owner, Jim Walter Resources, went bankrupt, and auctioned off its two mines and one preparation new owners brought together investment firms BlackRock Fund Advisors, State Street Global Advisors, and Renaissance Technologies as the company's majority shareholders.
· Scrip, Bandannas, and a Canary. Author: Christy Gill, NBCT. Big Ideas: Investigate three common items of the past and how they became integral part of the life of the coal miner. Essential Question: What significance do scrip, canary in a cage and the red handkerchief have to a coal miner and the development of West ia history?
canary in the coal mine (English)Noun. Alternative form of canary in a coal mine; 2006, Al Gore, An Inconvenient Truth: The Planetary Emergency of Global Warming and What We Can Do About It, Rodale (2006), ISBN, page 176: The second canary in the coal mine — along with the Arctic— is Antarctica, the largest mass of ice on the planet by far.
meaning and origin of 'canary in the coal mine' word The phrase a, or the, canary in a, or the, (coal) mine denotes an early indior of potential danger or failure.. It refers to the former practice of taking live canaries into coal mines to test for the presence of toxic gases, particularly carbon monoxide, the illness or death of the canaries serving as an indiion that such gases ...
· 1 y. A canary in a coal mine is an advanced warning of some danger. The metaphor originates from the times when miners used to carry caged canaries while at work; if there was any methane or carbon monoxide in the mine, the canary would die before the levels of the gas reached those hazardous to humans. https:// ...
Sep 13, 2001 · Canary in a coal mine. Posted by ESC on September 14, 2001. In Reply to: Canary in a coalmine posted by Rita on September 13, 2001: : Can someone tell me what the meaning of the phrase "Canary in a coalmine" is? Canary in a coal mine Miners kept caged canaries in the mines as an "early warning device." If the air was bad enough to kill the ...
Jul 13, 2018 · What does it mean? " Canary in a coal mine" is a metaphor about providing advance notice or warning of potential danger. Origin: The expression dates back to 1911 when the concept of having a canary as an early detection system for hazardous gases in coal mines was introduced by John Scott Haldane in Great Britain.
· Alejandro Polanco Masa. Sep 15, 2019 · 4 min read. The use of canaries as a means of warning against the presence of firedamp in coal mines is mentioned in many references. Firedamp, composed mainly of methane and carbon dioxide, was the cause of suffoions and explosions. The use of certain animals as a means of warning, more sensitive than ...
· canary in a coal mine, miners' canary; Noun . miner's canary (plural miners' canaries or miner's canaries) A caged kept caged in mines because its demise provided a warning of dangerous levels of toxic gases. Any thing, especially an organism, whose demise or distress provides an early warning of danger. Derived terms
Miners began using canaries in 1911, based on the advice of Scottish scientist John Haldane. He reasoned that a singing would be a good indior of carbon monoxide — the gas can build to deadly levels in mines, and it has no smell. When a canary began to weaken, or stopped singing, miners knew to get out of the mine — and quickly.