機器
accuracy
background
business
circle
clockwork
cog
cogs
cogwheel
concept
creative
design
detail
engine
engineering
gear
gears
gearwheels
grunge
history
idea
industrial
industry
innovation
logic
logical
machinery
mechanical
mechanics
mechanism
motion
movement
natural
old
progress
set
solution
strategy
studio shot
symbol
teamwork
technology
time
watch
wheel
wooden
work