機器
activity
architecture
big
build
building
business
city
construction
crane
design
development
engineering
equipment
estate
exterior
frame
heavy
high
hoist
industrial
industry
iron
large
lift
lifting
machinery
metal
modern
new
object
outdoor
project
real
site
sky
skyscraper
steel
structure
sunny
tall
technology
tool
tower
transport
urban
vertical
work
yellow