A rotten little sealed unit the size of a large suitcase could mess up her whole plan.

"They don't want us taking a sealed unit to Secundus."

The station should have facilitated our repairs, or at least sold us the sealed unit.

Major Douglas, still in a sealed medical unit, should have been the one.

He couldn't have left the module; it was a sealed unit.

The centerpiece was a sealed unit the size of a small room.

The toilet tank was a sealed unit behind the wall.

The warehouse seemed to be one big sealed unit.

They were looking intently at something in a sealed unit with remote-control arms.

The computer was a sealed unit, but it had a small display screen and test points, allowing access for repairs.