Franking machine:
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Computer mouse movement
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General noise, Office work
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Matrix printer
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The USB flash drive is inserted, removed
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Input error sound, Pressing a keypad
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CD / DVD drive, disc read
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Insert the disk into the drive, read the
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Old computer keyboard
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Laser printer
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Typewriter, environmental sounds, Office work
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Turning on the laptop, shutting, fan noise
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Repeatedly pressing a computer mouse
★★★★★