英文關鍵字
action
activity
apartment
architecture
build
builders
building
business
city
civil
cold
concrete
condominium
construct
constructing
construction
coveralls
day
development
engineer
engineering
equipment
frame
group
hard
hat
helmet
high
home
house
housing
industry
many
men
outdoors
project
season
site
sky
snow
steel
street
team
teamwork
technology
urban
view
winter
workers
working