英文關鍵字
accuracy
automatic
automation
automotive
clockwork
cogwheel
danger
design
engineering
equipment
fabricator
factory
futuristic
gear
heavy
indoors
industrial
industry
innovation
interior
loop
machine
machinery
manufacturing
mechanic
mechanical
metal
metallic
motion
motor
moving
operation
performance
precise
precision
process
professional
repairing
robotic
rotating
steel
system
technology
tool
transmission
turning
warehouse
wheel
working
workshop