fans
preferred label: بادبزن @fa
type: Concept
narrower: centrifugal fans

centrifugal fans
alternative label: fans, centrifugal
related: axial flow fans
broader: fans
preferred label: فن مرکزگریز @fa
type: Concept

axial flow fans
preferred label: بادبزن با جریان محوری @fa
type: Concept
related: centrifugal fans