When Class 2 non-flammable, non-toxic gases are carried in packages (cylinders), segregation and handling awareness includes recognising:

1. Asphyxiation risk if gas escapes into enclosed spaces
2. That these gases never need securement because they are 'inert'
3. That cylinders may be heated with naked flame to raise pressure for discharge
4. That Class 2.2 packages may be stored in the sleeper cab