unity
機器
accuracy
apparatus
arrangement
circle
classic
close up
cogwheel
connection
cooperation
electric motor
energy
engine
engineering
equipment
factory
gear
group of objects
industrial equipment
industry
innovation
interlocked
iron
large
machine part
machine teeth
manufacturing
metal
part of
power
precision
progress
reliability
retro revival
selective focus
shiny
steel
symbol
teamwork
technology
togetherness
transmission
turning
wheel
work