Opens, closes the CD / DVD tray:
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Laser printer
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Input error sound, Pressing a keypad
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Computer keyboard
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Opens, closes the CD / DVD tray
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Typewriter, environmental sounds, Office work
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Read the, Insert the disk into the drive
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Old computer keyboard
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Removed, The USB flash drive is inserted
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Manual copy machine
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Computer noise, Communication room
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Bios, Sound signal of a bios computer
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General noise, Office work
★★★★★