機器
abstract
assembly
background
building
close
companies
company
concrete
construction
cover
dangerous
fence
firm
flower
foundation
gain
grunge
houses
iron
joint
mesh
pattern
pile
protect
raw
rebar
reinforce
reinforcing
rust
rusty
same
shell
similar
site
square
stack
stacked
steel
strong
structural
supplies
technology
texture
tunnel
uniform
up
water
weathered
wire