機器
background
business
businessman
clock
clockwork
cog
cogwheel
concept
connection
engine
engineering
equipment
factory
gear
gear icon
gear wheel
gearbox
gears and cogs
hand
industrial
industry
iron
machine icon
machine part
machine shop
machinery
macro
mechanical
mechanism
metal
metallic
mill
moving
old
part
power
precision
steel
teamwork
technical
technology
transmission
vintage
watch
wheel
work