Laser printer:
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Computer interface, alarm
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Matrix printer
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Turn on, turn off the old monitor
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Hard disk, read, write, room noise
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Signals, Computer interface
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Photocopy (photocopy)
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Computer mouse movement
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Bios, Sound signal of a bios computer
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Computer mouse click
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Communication room, computer noise
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Old computer keyboard
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Read the, Insert the disk into the drive
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