Word: oxygenate
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...inside. It was a tight squeeze. Before all Zippers, straps and metal fittings were set properly in place, Shepard was sweating profusely and breathing hard. As soon as he got his helmet on, he lay down on a specially fitted contour couch, feet held up in clamps, while his oxygen and air-pressure hoses were attached...
...climbed the eastern sky, the "cherry picker" (a jointed crane capable of plucking the astronaut out of his capsule in case of a prelaunch disaster) backed away. At T minus 30 seconds the "umbilical cord" of tubing and cables that had been supplying electricity, communication and liquid oxygen fell free. At 9:34 a.m. the last second ticked off; the rocket's liquid-fueled engines flared flame, and the flight began...
...rocket climbed, Shepard calmly reported the growing Gs of acceleration and the state of the capsule's pressure and oxygen supply. The Gs rose to four, then five, but his voice showed no sign of stress...
...guard against temporary failure of landing controls, the Vostok was crammed with enough food and water for a ten-day whirl. For low-altitude emergencies, there were two escape hatches and an ejector seat equipped with a parachute, emergency rations, an oxygen supply and a radio transmitter. As he spun past the stars, Yuri could study his surroundings through three heat-resistant portholes. Even if he spotted no landmarks 188 miles below, he could get his bearings by watching an "optical orientator"-a cockpit globe synchronized to turn with the 18,000-mile-an-hour flight of the orbiting spaceship...
...broke smelting down into two processes, v. one in the blast furnace. The first, a horizontal, slowly rotating, gas-fired kiln, removes 55% of such impurities as oxygen and sulphur from ores of such low grade that blast furnaces cannot handle them, conditions them for the second step. This is a Udy-designed electric smelting furnace that finishes the job. The slag from the electric furnace can be put through a series of similar furnaces to draw off other metals such as chrome, copper, zinc and manganese. Thus, for the first time, a smeltery can work iron ore over with...