CD / DVD drive, disc read:
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Computer interface, alarm
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Franking machine
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Photocopy (photocopy)
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Bios, Sound signal of a bios computer
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Removed, The USB flash drive is inserted
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Laser printer
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General noise, Office work
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Floppy disk reading
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Input error sound, Pressing a keypad
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Environmental sounds, Office work, typewriter
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Matrix printer
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Computer keyboard
★★★★★