英文關鍵字
abstract
air
animated
animation
background
climate
cold
comfort
condition
conditioner
control
cool
cooler
cooling
design
device
drawing
electric
element
equipment
fan
graphic
green
heat
home
icon
illustration
isolated
line
linear
looped
modern
motion
object
outline
screen
sign
silhouette
symbol
technique
technology
temperature
vector
ventilation
video
white