英文關鍵字
animated
animation
arch
background
closer
conceptual
density
door
doorknob
doors
doorway
double
elegance
enter
entrance
exit
external
fibreboard
folding
glyp
graphic
handle
hd
hinges
icon
item
knob
latch
lock
material
medium
metal
monochrome
motion
pictogram
sign
sliding
swing
symbol
timber
types
veneer
wooden