vents
type: Concept
preferred label: هواکش @fa
related: natural ventilation

natural ventilation
type: Concept
alternative label: ventilation, natural
broader: ventilation
preferred label: تهویه طبیعی @fa
related: wind effects
related: vents

ventilation
type: Concept
narrower: natural ventilation
preferred label: تهویه @fa

wind effects
type: Concept
preferred label: آثار بادی @fa
related: natural ventilation