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Memorandum
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This day was an unusual hot day. In the early-evening, there were various
people at the park: a middle-aged man reading a book, boys playing with
handheld video game machines, a boy playing with ball, girls in a gleeful
mood...
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Birds also were singing cheerfully.
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Maintenance of the play equipments was not finished yet.
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The monitoring post (right photo) shows that the radiation level of the
day was 0.179 μSv/h.
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