bar
block
board
bolts
build
clamp
clamped
connected
connector
construct
construction
coupler
coupling
detail
development
engineering
erection
frame
framework
grip
industrial
industry
iron
link
metal
net
new
pipe
pole
preparation
project
rods
safe
scaffold
scaffolder
scaffolding
screw
site
staging
steel
structure
support
swivel
temporary
thread
tightened
tower
tube
working
workplace
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