機器
apparatus
assembly
automated
automatic
background
bore
concept
construction
control
detail
drill
drilling
engineer
engineering
equipment
factory
human
illustration
industrial
industry
instrument
isolated
laborer
machinery
machining
man
manufacturing
mechanical
metal
metalwork
milling
online
people
person
platform
production
scaucasian
service
shop
steel
store
technology
tool
turner
turning
work
worker
workshop