機器
architecture
block
blue
bright
building
business
carry
city
commercial
concrete
construction
crane
development
engineering
equipment
estate
frame
growth
high
home
house
industrial
industry
lift
lifting
mechanical
metal
modern
outdoor
real
scaffold
scenic
site
sky
skyscraper
steel
structure
sun
sunlight
sunny
sunrise
sunset
support
tall
tower
unfinished
urban
work
yellow