Word: line
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Dates: during 1980-1989
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Hansen thus became perhaps the most prominent scientist willing to say straight out that the earth-warming effect of excess carbon dioxide (CO2) and other gases generated by industry and agriculture had crossed the line from theory into fact. By itself, Hansen's bold assertion was dramatic enough. But the unusual string of weather-related disasters that struck the world last summer could not have been better timed to drive his point home. The heat waves, droughts, floods and hurricanes may be previews of what could happen with ever increasing frequency if the atmosphere warms 3 degrees...
...modest electrical output of smaller units makes them less economical, at least initially. But proponents argue that inherently safe plants should prove more cost-effective in the long run. Not only would expensive safety systems no longer be needed, but the units could be built on an assembly line and put into operation one module at a time, enabling utility companies to match operating capacity with demand for power...
...more are on order at a base price of $20 million each. For longer and more heavily traveled routes, carriers are buying twin-engine 757s, which cost about $40 million and carry as many as 220 passengers, and the larger 767s ($58 million). The big-money behemoth of the line is Boeing's 747 jumbo jet ($135 million), for which the manufacturer has 172 orders...
...plane-ordering boom has ensured enough orders for the takeoff of the company's once doubtful MD-11. A longer and more fuel-efficient version of the company's phased-out DC-10 line, the $100 million MD-11 has pulled in 47 orders, and gives Douglas a rival to the larger Boeing and Airbus models...
...airliners like the Boeing 747-400. The cockpit crew will rely on the plane's computer to monitor more than 600 gauges, digital meters and other gadgets -- more instrumentation than the space shuttle contains. But the airlines are not the only ones who will have to wait in line for their new planes. So will President-elect Bush. The new Air Force One, a 747-200, will not arrive at Andrews Air Force Base until next November, a year behind schedule...