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Cofferdam

From Wookieepedia, the Star Wars wiki.

A cofferdam was a temporary, pressure sealed enclosure used to connect a starship in dry dock. Cofferdams were also used to connect starships with mismatched airlocks. The device itself was a flexible, ribbed tube that could attach to a surface with chemical, magnetic, mechanical, or negative pressure means. The Yuuzhan Vong equivalent was the oqa membrane.

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