Gaseous oxygen is prevented from entering the system through physical containment in sealed tanks.

Simultaneously, a section of the far wall slid away, revealing a niche that housed a large, sealed tank of water.

Morris pointed at once to the line of great sealed tanks that ran along both walls of the room.

Each Autumn consignments arrive in the winefield by rail in sealed tanks, transport during the summer being forbidden on account of the stink.

A sealed tank containing water through which the gas was bubbled.

Fuel was discovered in sealed tanks, each fed by intricate coils into one section of the vast engine mass.

In an anaerobic digester, gaseous oxygen is prevented from entering the system through physical containment in sealed tanks.

Pellig emerged before the vast sealed tank that was the Quizmaster's inner fortress.

Shiwan Khan plucked it from Torron's hands, opened it and found a small, sealed tank within.

This bit of genetic engineering may eventually enable algae producers to stop using ponds and instead grow the organisms in sealed tanks.