機器
aptitude
assembly lines
automation
background
black
business
cog
cogwheel
dirt
equipment
fabrication
finished goods
gear
gearwheel
high speed machines
identity
in line
increase
individualization
industry
innovation
large scale mechanization
machinery
manufacturing
mass consumption
mass production
mechanics
mechanism
metal
metallic
nickel
outcome
produce
production
result
scratch
special
standardization
steel
symbol
the same thing
tool
wheel
work