Insert the disk into the drive, read the disk, take it out:
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Computer mouse movement
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Signals, Computer interface
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Matrix printer
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Removed, The USB flash drive is inserted
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Double click computer mouse
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Hard disk, write, room noise, read
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Old computer keyboard
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Turn on, turn off the hard drive
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Alarm, Computer interface
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Computer mouse click
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Franking machine
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Jet printer
★★★★★