Hard disk, read, write, room noise:
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Franking machine
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Office work, general noise
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Floppy disk reading
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Interference, Modem connection, signal
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Computer mouse click
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Photocopy (photocopy)
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Matrix printer
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Turn on, turn off the old monitor
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Input error sound, Pressing a keypad
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Sound signal of a bios computer, bios
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Double click computer mouse
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Opening, closing the laptop cover
★★★★★