機器
aptitude
automation
background
batch
black
business
capability
capacity
chrome
cog
cogwheel
development
dirt
effect
efficiency
equipment
fabrication
gear
gearwheel
improvement
increase
industry
innovation
kaizen
machinery
make
manufacture
manufacturing
mechanics
mechanism
metal
metallic
nickel
outcome
output
performance
process
product
production
productivity
quality
result
scratch
steel
symbol
tool
volume
wheel