Manual copy machine:
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Turning on the laptop, fan noise, shutting
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Repeatedly pressing a computer mouse
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Laser printer
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Turn on, turn off the hard drive
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Franking machine
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Environmental sounds, typewriter, Office work
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Turn on, turn off the old monitor
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Old computer keyboard
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Hard disk, room noise, write, read
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Computer simulated laser
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Floppy disk reading
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Pressing a keypad, input error sound
★★★★★