英文關鍵字
architect
architecture
blueprint
building
business
colleague
construction
contractor
crane
discussion
drilling
engineer
engineering
foreman
hardhat
helmet
industrial
industry
inspector
job
looking
male
man
manager
mature
men
oil
old
outdoors
people
plan
planning
platform
professional
project
rig
safety
senior
showing
site
standing
talking
teamwork
technology
two
work
worker
young