Word: oxygenate
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...Makes oxygen-rain-surface/subsurface water-humus for agriculture...
...space shuttle at Cape Canaveral last week: "Super!" Then disaster struck. For reasons yet to be explained, five Rockwell International technicians removed an access panel and entered a rear section of the orbiter above the engine. A few minutes later, they began keeling over from lack of oxygen. One technician, John Bjornstad, 50, died in a helicopter en route to a hospital, and another, Forrest Cole, was in critical condition...
...mishap may not be known until NASA and Rockwell officials complete their separate investigations. Yet some of the circumstances are already known. Apparently, safety supervisors erred in clearing the technicians to go into the craft. Before a launch rehearsal, it is standard procedure to use nonflammable nitrogen to flush oxygen-laden air out of the engine compartment, where even the slightest friction or electrical spark can touch off a deadly fire. Afterward, the technicians, all of whom had considerable experience working with the shuttle, went into the nitrogen-saturated compartment without their air packs, the portable breathing systems used...
...scientists and technicians packed into the Cape Canaveral control center when the word came. Millions of Americans watching on morning television breathed a sigh of relief. Those red and orange flames flaring out from beneath the Columbia space shuttle, the immense cloud of steam created by burning liquid oxygen and hydrogen that drifted out to sea were emblems of success. The long delayed final test firing of Columbia's three main engines had at last gone off without a hitch. Columbia's moment of triumph made it probable that as early as April the shuttle would carry...
...pressure so low that even with oxygen masks, breathing may be difficult. Said Anderson, owner of an Albuquerque mineral firm: "If we can pull this off, I want to lead the first mining expedition into space. It just might be possible." Not so fast. At week's end, the pair was forced down near New Delhi, and it was not known whether the Jules Verne would rise again...