armature
boom
building site
cement
civil engineering
column
concrete
construction
corrosion
crane
engineering
fitter
frame
framework
girder
grid
heap
hoist
industrial
industry
joist
mesh
metal
parallel
pile
piled
piled up
pillar
quadratic
rebar
reinforce
reinforced
reinforcement
rigger
rod
rust
rusted
rusty
shape
site
square
stack
steel
stockpile
team
teamwork
telescopic
truss
work
worker