機器
activity
apartment
architect
architecture
base
block
blue
brick
bright
build
business
carry
cement
city
cityscape
concrete
condominium
construct
construction
crane
develop
development
district
engineering
equipment
erect
escalator
estate
exterior
frame
heavy
high
hoist
home
house
housing
industrial
industry
iron
lattice
lift
mechanical
metal
modern
orange
scaffolding
site
skyscraper
steel