英文："We are glad to see the breakthroughs," he added, "but we don't want the television audience, society in general, to think that a few blacks making it can excuse all of the indignities, all the injuries, all of the lack of opportunities for all the rest o
英文：Several of our research discoveries have been adapted for commercial use, and one particular breakthrough in linear hydraulics is now being used by every oil company in the country.
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