area
armature
building site
civil engineering
concrete
construction
corrosion
crane
device
edifice
engineering
grid
heap
industrial
industry
instrument
joist
lorry
mesh
metal
parallel
pattern
pile
piled
piled up
pillar
quadratic
rebar
reinforce
reinforcement
rod
rust
rusty
shape
site
skeleton
square
stack
steel
stock
stockpile
structure
supply
survey
surveying
texture
trailer
tripod
truck
truss