機器
architecture
boom
build
builder
carry
city
cloudy
commercial
concrete
construction
control
copy space
crane
deliver
delivery
develop
development
distribution
economics
engineer
engineering
equipment
german
hang
heavy
industrial
industry
lift
lifting
load
platform
project
resources
risk
site
sky
skyline
skyscraper
steel
structure
tall
technique
terminal
transport
transportation
under
weather
work
worker