Laser printer:
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Opening, closing the laptop cover
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Sound signal of a bios computer, bios
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Computer keyboard
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Computer simulated laser
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Write, room noise, read, Hard disk
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Opens, closes the CD / DVD tray, disc read
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Manual copy machine
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Turn off the old monitor, Turn on
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Jet printer
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Pressing a keypad, input error sound
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Turn on, turn off the hard drive
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Computer mouse click
★★★★★