Repeatedly pressing a computer mouse:
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Turning on the computer, fan noise, shutting
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General noise, Office work
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The USB flash drive is inserted, removed
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Franking machine
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Insert the disk into the drive, read the
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Computer interface, signal read information
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Computer noise, Communication room
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Bios, Sound signal of a bios computer
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Matrix printer
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Computer mouse movement
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Hard disk, room noise, read, write
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Closes the CD / DVD tray, Opens
★★★★★