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'''Pneumatic Diversity Vent''' is a video which was released by [[Valve]] on July 1, 2010 in order to promote [[Portal 2]]. The video provides a short segment of gameplay footage in which the [[Pneumatic Diversity Vent]] is used in order to successfully complete a Test Chamber.
Pneumatic Diversity Vent is a video which was released by Valve on July 1, 2010 in order to promote Portal 2. The video provides a short segment of gameplay footage in which the Pneumatic Diversity Vent is used in order to successfully complete a Test Chamber.