Afterdamp
Afterdamp is the toxic mixture of gases left in a mine following an explosion caused by
firedamp. It consists of
carbon dioxide,
carbon monoxide and
nitrogen.
Hydrogen sulphide may also be present, another highly toxic gas. Afterdamp was the deadly gas which caused the majority of casualties in the many pit disasters of the British coalfields, and elsewhere in the world. Such disasters continue to afflict working mines, especially in mainland China.
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After damp
An irrespirable gas, remaining after an explosion of fire damp in mines; choke damp. See Carbonic acid.
Webster's Revised Unabridged Dictionary (1913), edited by Noah Porter.
About
after damp
Eng: after damp
Urdu: چوک ڈیمپ ۔ دَم گھُونٹ یا زَہریلی کاربائک ایسَڈ گیس ۔
after-damp
Eng: after-damp
Urdu: پس گیس ۔ وہ زہریلی گیس جو کوئلے کی کان میں دھماکے کے بعد ہوا میں باقی رہ جاتی ہے ۔
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