英文關鍵字
alloy
and
architecture
bar
bars
base
bent
bowl
building
bundle
comfort
concrete
construct
construction
corrosive
cylinder
engineering
equipment
fence
gray
group
heavy
industrial
industry
infrastructure
iron
light
lights
line
lines
material
metal
metalic
outdoor
parallel
pile
pipes
rail
rebar
reinforced
resources
rigid
rod
room
rust
rusted
rusting
rusty
site
some
steel
strong
structure
texture
the
tiled
toilet
turned
with
yellow