機器
activity
apartment
architecture
blue
brick
build
buildings
built
business
casing
cement
commercial
constructing
construction
constructional
constructive
crane
development
engineering
equipment
estate
exterior
folding
high
hoist
home
house
housing
industrial
industry
iron
lift
machinery
mass
metal
monolith
mortgage
part
property
residential
rough
site
steel
structure
tall
urban
work