英文關鍵字
automatic
circles
close
closeup
coil
collection
conveyor
curve
equipment
factory
forming
heavy
indoors
industrial
industry
line
machine
machinery
machines
manufactory
manufacture
manufacturing
material
mattress
metal
metallic
modern
movement
moving
orthopedic
packaging
plant
process
processing
produce
product
production
robotic
robotized
spiral
spring
steel
supply
technology
wind
wire
work