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개의 배경지식이 있습니다.  |
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| Nylon |
| In May 1934, Carothers achieves a spectacular success, a strong elastic fiber that survives well at high temperatures. Out of the thousands of names considered, they choose one, "Nylon". |
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개의 배경지식이 있습니다. |
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| Supersizing |
| It is a new expression in American lexican. Its origin in the fast food restaurnats of the land. We supersize our meals. |
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개의 배경지식이 있습니다. |
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| Abortion Law |
| 30 years ago today, the Supreme Court handed out its landmark Roe vs Wade abortion decision. There were marches today both for and against abortion. |
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개의 배경지식이 있습니다. |
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| Beam Structure |
| The city of Chicago would soon be home to everything from the world’s largest stockyards and meat-packing plants to mail order and retail giants like Sears Roebuck and Montgomery ward. |
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개의 배경지식이 있습니다. |
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| Big Boom 1 |
| During the Coolidge's rein, industrial production, corporate profits and personal income rose to record level. |
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