Jet printer:
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CD / DVD drive, disc read
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Computer noise, Communication room
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Jet printer
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Shutting, Turning on the laptop, fan noise
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Bios, Sound signal of a bios computer
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Pressing a keypad, input error sound
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Turn on, turn off the old monitor
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Computer interface, signal read information
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Opens, closes the CD / DVD tray
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Photocopy (photocopy)
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Double click computer mouse
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Computer mouse movement
★★★★★