0:01
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Morse code letter "u", amateur ham radio
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Radio with weak signal, morse code letter "e", military
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0:01
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Radio with a weak signal, morse code letter "y", military
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0:01
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Radio with a weak signal, morse code letter "o", military
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0:05
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Removing a letter from an envelope
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0:10
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Ripping open a letter
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0:09
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Sheet of paper being put inserted into envelope - paper rustling and slight crumpling
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0:03
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Sheet of paper being put inside an envelope - fast.
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0:01
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Letter post box flag put down
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0:01
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Letter post box. open and close
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