# Class 2 | Gases: Compressed Liquefied or Dissolved under Pressure |
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2.1 | Flammable gases Ex : Certain Aerosols, Starting Fluids, Butane, Propane, Acetylene, Hydrogen and Cigarette Lighters |
2.2 | Non-Flammable gases Ex : Oxygen, Nitrogen, Neon |
2.3 | Toxic gases Ex : Fluorine, Chlorine, Hydrogen Cyanide. |