… Containers for compressed or liquefied gas, of iron or steel. …
Explanatory notes
… 73.11 ‑ Containers for compressed or liquefied gas, of iron or steel. This heading covers … capacity used for the transport or storage of compressed or liquefied gases (e.g., helium, oxygen, argon, hydrogen, … alone. In others, such as those designed to supply liquid or gas as required, the liquefied gas is vapourised …