機器
armature
base
bottom
building site
cage
cement
civil engineering
complexity
concrete
construction
crane
derrick
edifice
foundation
frame
framework
grid
heavy duty
hoist
industrial
industry
job
joist
mesh
metal
mobile
parallel
pillar
position
project
rebar
reinforced
reinforcement
rod
rusty
set
shape
site
skeleton
sky
square
steel
strong
structure
telehandler
telescopic
truss
wire
workplace