Your argon blanket is not going to be air-proof enough to prevent ignition of hydrogen gas produced by the reaction of sodium with oxygen and/or water.

The sides of the surfaces are joined by a flexible and air-proof material such as leather; the surfaces and joining material comprise a bag sealed everywhere but at the nozzle.

To provide a light airproof skin for lifting and control surfaces.

Dostarczyć lekką hermetyczną skórę dla do podnoszenia i stery.

"Catalog 'em, put 'em in airproof bags.

"Katalog' em, kłaść 'em w hermetycznych torbach.

CHAPTER TWENTY The sun was high and the air was still and the heat lay over the twenty-five-acre concert site like an airproof iron blanket.

Rozdział dwadzieścia słońce było wysokie i powietrze było wciąż i gorąco tkwiło ponad twenty-five-acre miejsce koncertowe jak hermetyczny koc żelazny.