英文關鍵字
arm
assembly
automate
automated
automatic
automation
business
closeup
computer
control
conveyor
electronic
energy
engine
engineering
equipment
factory
futuristic
hand
heavy
hightech
industrial
industry
lifting
line
machine
machinery
manufacture
manufacturing
mechanic
metal
modern
objects
plant
processes
production
puts
robot
robotic
safety
science
steel
surface
technologies
technology
tool
welder
working