architecture
armature
background
building
bunker
business
carcass
cement
cementing
city
closeup
concrete
construct
construction
corrosion
design
diagonal lines pattern
economic
engineering
equipment
fill
finish
fitting
fittings
fixtures
fluid
foundation
frame
framework
grid
hard
helmet
home
industrial
industry
iron
ironworks
labor
line
material
metal
pattern
reinforcement
rod
safety
site
steel
structural
structure
work
定額
Abstract background of iron armature ready for concreting Metal armature in reinforced concrete structures close-up 2018の素材 [FY310114077749]
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