機器
arm
assembly
auto
automated
automation
automobile
automotive
car
cars
closeup
construction
electronics
engineering
equipment
factory
futuristic
heavy
hydraulics
industrial
industry
line
machinery
manufacture
manufacturing
mechanical
metal
modern
nobody
part
plant
platform
production
robot
robotic
robotics
robots
row
safety
service
sparkles
sparks
steel
technology
transportation
welder
welding
work
worker
working