unity
機器
選択的
accuracy
arrangement
circle
close
cog
cogwheel
concept
connection
cooperation
design
drive
endurance
engineering
equipment
factory
focus
gear
industrial
industry
interlocked
iron
machinery
manufacturing
mechanical
mechanism
metal
metallic
movement
part
precision
progress
reliability
retro
revival
rotate
stagnation
stainless
steampunk
steel
technical
technology
teeth
togetherness
transmission
turning
wheel
work