機器
colleague
african american
assembly
automobile
automotive
chemistry
construction
control
electric
engineer
engineering
environment
facility
factory
industrial
industry
industry 40
machinery
manager
manufacture
manufacturing
meeting
metal
occupation
people
person
pipeline
plant
power
production
profession
professional
project manager
refinery
robot arm
safety
service
standing
steel
store
team
teamwork
technician
technology
transportation
warehouse
warehouse worker
worker
workplace