機器
apartment
base
build
building
building construction
civil engineering
concrete
concreting
construction
construction site
construction steel
economy
equipment
formwork
foundation
home
house
industrial
industry
iron
material
metal
part
pile
plate
readymix
readymixed concrete
rebar
reinforcement
reinforcement mat
reinforcement steel mesh
residential
site
steel
steel reinforcement
structural steel
tool
trade
work