英文關鍵字
engineer
building
construction
phone
inspecting
site
foreman
inspector
builder
business
industry
safety
helmet
engineering
worker
crane
architect
multistory
skyscraper
industrial
work
project
planning
supervisor
professional
talking
equipment
job
contractor
man
architecture
plan
house
occupation
manager
sunshine
technology
concrete
development
communication
urban
constructor
9x16
vertical