Someone was pumping hydrogen into them.

And, of course, in our own case, the fashion in which he and his political associates have insulted and vilified Lady Harrington has only pumped hydrogen into the fire.

The FT process usually get hydrogen from steam rather than pumping hydrogen into the reactor as steam is cheap and easy.

A Hazardous Process The latest problem developed Sunday night as technicians began pumping supercold liquid hydrogen and liquid oxygen propellants into Discovery's huge external tank.

The malfunctions causing the postponement came to light late Thursday evening as technicians began pumping liquid hydrogen and liquid oxygen propellants into the shuttle's huge external tank.

Below us ground crews pumped extra hydrogen to the barrage balloons, lifting Beadle's vast protective net another hundred meters so the convoy could slide beneath.

They all share a difficulty in pumping low molecular weight gases, especially hydrogen, helium, and neon.

The main disadvantages are that it cannot operate continuously and cannot effectively pump hydrogen, helium and neon, all gases with lower condensation temperature than liquid nitrogen.

It is responsible for pumping liquid hydrogen and liquid oxygen into the engine's main combustion chamber to produce the needed thrust capability.

On the night of September 4-5, 1934, as the ground crews pumped hydrogen into the silk bag, an unexpected static spark caused by friction of unfolding silk ignited the balloon.