What is a "container"?

1. AA tank or shipping box, used for transporting goods and installed in a way that allows its fastening by a twist-lock device, and whose width does not exceed 250 cm.
2. BA double-walled metal tank, used for transporting liquids and equipped with a twist-lock device for fastening it to the vehicle.
3. CAny installation whose width is not more than 300 cm, which is separate from the vehicle and used for transporting goods and allows the installation to be left for loading at any place.
4. DA closed square metal box, used for transporting goods and equipped with a twist device for fastening it to the vehicle.

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