Computer simulated laser:
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Computer mouse movement
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Manual copy machine
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Matrix printer
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Modem connection, signal, interference
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Opens, closes the CD / DVD tray
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Turning on the computer, shutting, fan noise
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Turn on, turn off the hard drive
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Alarm, Computer interface
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Computer noise, Communication room
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Turn on, turn off the old monitor
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Write, room noise, read, Hard disk
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Signals, Computer interface
★★★★★