英文關鍵字
architect
are
building
business
computer
construction
control
conversation
craftsman
development
discussion
display
engineer
engineering
engineers
equipment
facility
factory
female
foreman
hard
hardhat
hat
helmet
holding
industrial
industry
job
machine
machinery
maintaining
male
man
manager
manufacturing
meeting
men
occupation
outdoors
people
person
plant
plants
production
professional
real
safety
site
speaking
tablet
team
teamwork
technicians
technology
uniform
work
worker