Manual copy machine:
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Sound signal of a bios computer, bios
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Computer noise, Communication room
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Jet printer
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Computer interface, signal read information
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Read, write, Hard disk, room noise
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Office work, environmental sounds, typewriter
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Alarm, Computer interface
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Photocopy (photocopy)
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Opening, closing the laptop cover
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Removed, The USB flash drive is inserted
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Turn off the old computer, Turn on
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Double click computer mouse
★★★★★
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