Does the external steel container included in the Nuvita 1477 (the one that contains the three jars to keep food divided), Has an airtight seal? Can it contain liquids directly?

Does the external steel container included in the Nuvita 1477 (the one that contains the three jars to keep food divided), Has an airtight seal? Can it contain liquids directly?

The external steel container does not have an airtight seal, therefore it cannot contain liquids directly.