abstract
air
airflow
arrows
background
blower
centripetal
circle
circular
conditioner
cooler
curl
curve
cycle
cyclone
design
directional
element
energy
fan
flat
glyph
helix
icon
motion
move
movement
power
propeller
recycle
refresh
rotate
rotation
rotor
round
sign
storm
stream
swirl
symbol
sync
transfer
transparent
turbine
twirl
twister
ventilation
ventilator
wind