英文關鍵字
automation
business
cable
closeup
coil
communication
conveyor
copper
development
drum
electric
electrical
equipment
factory
indoor
industrial
industry
interior
light
line
manufacture
manufacturing
materials
modern
movement
orange
plant
power
process
processing
product
production
reel
rolling
rotate
rotation
rotor
service
spin
technology
transportation
twist
wheel
winding
wire
work
workshop