abstract
architecture
armature
assembled
beam
bolt
build
business
carcass
connection
construct
constructing
construction
crosspiece
design
develop
development
engineering
factory
framework
girder
growth
heavy
home
house
ibeams
industrial
industry
iron
joint
line
management
material
metal
nut
parallel
plate
project
site
sky
steelwork
strength
structural
structure
technical
truss
washer
weld
white
wireframe