機器
automated
business
connection
construction
control
employee
engineer
engineering
equipment
factory
foreman
gadget
heavy
helmet
indoors
industrial
industry
instrument
job
lathe
machinery
machining
man
manufacture
manufacturing
mechanic
mechanical
metal
metalwork
metalworking
occupation
operative
operator
plant
precision
processing
production
professional
safety
steel
tablet
technician
technology
tool
work
worker
working
workshop
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