英文關鍵字
architect
architecture
background
behind
blue
blueprint
build
building
business
cement
city
civil
commercial
concept
concrete
construction
contractor
crane
day
design
development
engineer
engineering
equipment
estate
fence
frame
ground
heavy
high
house
industrial
industry
iron
machinery
progress
project
safety
site
sky
steel
structure
team
teamwork
technology
work
worker
workplace
world
yellow