Hints and tips:
...lighter materials)....
...Williams Company , a natural gas producer, jumped 9.8 per cent to $21.53 after it named a new chief executive, Alan Armstrong....
...For its forthcoming A2, Audi is studying the possibility of selling mobile phone-like “apps” allowing customers to download and activate features already engineered to the car, such as stiffer suspension...
...It’s new materials that they don’t have. Because medium-range missiles are much more primitive technically....
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