Jet printer:
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Read, Hard disk, write, room noise
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Computer mouse click
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Franking machine
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Shutting, fan noise, Turning on the computer
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Jet printer
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Turning on the laptop, fan noise, shutting
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Double click computer mouse
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Disc read, CD / DVD drive
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Computer simulated laser
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Manual copy machine
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The USB flash drive is inserted, removed
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Computer mouse movement
★★★★★