機器
activity
architecture
blue
blue sky
build
built
business
cabin
collection
construction
construction machinery
crane
day
development
engineering
equipment
heavy
high
hobby
hook
industrial
industry
lift
lifting
load
machinery
metal
miniature
modern
nobody
object
orange
outdoor
plastic
site
sky
steel
structure
tall
technology
tower
tower crane
transportation
travel
two
up
urban
white
yellow