機器
auditor
best
chief
duty
employee
engineer
engineering
equipment
excellence
expert
facility
factory
good
handsome
happy
hard hat
industrial
industry
job
lathe
machine shop
machinery
male
man
manufacture
manufacturing
mechanic
mechanical
metal
metalwork
metalworking
part
pass
people
person
plant
production
professional
quality
showing
specialist
steel
technician
watching
work
worker
workplace
workshop