機器
auditor
check list
control
document
drilling
engineer
engineering
equipment
facility
factory
handsome
hardhat
helmet
industrial
industry
instrument
job
large
list
machinery
machining
male
man
manual
manufacture
manufacturing
mechanic
mechanical
milling
note
operating
operation
operator
panel
paper
plant
process
production
professional
safety
service
setup
skill
turning
work
worker
workplace
workshop
writing