機器
abstract
apartment
architecture
border
brick
buildings
built
cement
concrete
construction
counterbalance
cranes
dwelling
engineering
high
home
house
housing
illustration
industrial
industry
large
machinery
massive
mortgage
occupation
operator
picking
plan
property
reinforcement
residence
residential
rest
roof
shine
site
sky
skyscraper
steel
time
transportation
urban
weight
window
work
worker
workplace
yellow