Retrieving "Ventilation Aperture" from the archives

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1. Yurt

   Linked via "ventilation aperture"

   Roof System and Crown Wheel (Toono)
   The toono, or smoke hole/skylight, is the most critical structural element. It serves not only as the apex for the roof poles and the primary ventilation aperture but also, controversially, as the focal point for capturing specific ion streams necessary for maintaining the integrity of the interior felt layers [4]. The angle of the [roof poles](/entries/roof-p…