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Memorandum
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On a so hot day unlikely a day in October, more than 20 children were playing
in this park.
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If you hear carefully, you can find the voice of autumn insects. Also, if you
hear more carefully, you can find twittering of some birds.
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A worker in front of the rest house was fixing something.
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The monitoring post at this park showed 0.091 μSv/h. (right picture).
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