construction crane isolated
機器
building
business
cable
city
construction crane
construction site
crane
development
engineering
equipment
estate
heavy
high
hoist
hoisting
industrial
industry
iron
isolated
lift
lifting
machinery
metal
nobody
picking
real
red construction crane
scaffolding
site
sky
skyscraper
steel
structure
tall
technology
tool
tower
urban
white
work
yellow