英文關鍵字
adults
architect
architects
blueprint
builder
builders
building
business
businessman
computer
construction
design
development
device
discussing
employment
engineer
engineering
engineers
entrepreneur
hardhat
helmet
industrial
industry
internet
laptop
male
man
manager
notebook
occupation
outdoors
people
person
plant
pointing
professional
protection
safety
security
site
supervisor
supervisors
tablet
technology
touchpad
work
workers
working