Gas poisoning occurs mainly from breathing house hold gas or fumes of fire,stoves,motor exhausts or the smoke generated from explosions.
Life is endagered (seriously at risk of extinction) by asphyxia(defiency of oxygen inside body). FIRST AID IN THIS CASE
1.SUSPEcted to contain poisonous gas of any kind,ensure a free circulation of air by opening or if necessary by breaking doors and windows.
2.in cases where ventilation is not possible and the character of gas is known to be deadly ,a suitable gas mask must be worn.
Gases lighter than air is CO and heavy CO2....,.thanx
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