Subheading 731010: Tanks, Casks, Drums, Cans, Boxes and Similar Containers, for any M … etc.
Subheading 731021: Cans; Which Are to be Closed by Soldering or Crimping, for any Mat … etc.
Subheading 731029: Tanks, Casks, Drums, Boxes and Similar Containers for any Material … etc.
Subheading 731021: Containers for Compressed or Liquefied Gas, of Iron or Steel