Were liquid air in sufficient quantities available, the fuel problem would cease to have any significance.
Nadine's enjoyment in this liquid air had been suddenly extinguished.
Donald made up small parcels of liquid air and carbon while Johnny drilled holes in the coal.
You see the oxygen in liquid air is free to join with carbon.
But Mich'l, watching that widening margin for the dreaded gush of liquid air, only trembled with relief.
“Powerful stuff, liquid air and carbon,” the boy said to himself.
liquid air is the principal commercial source of pure oxygen, nitrogen, and other gases found in the atmosphere.
Every gallon of liquid air has been produced at the expense of work of some kind.
As when a tree shoots up with gentle dews into the liquid air.
As you have already surmised, liquid air is a product of intense cold.