英文關鍵字
automate
automation
belt
big
blade
block
closeup
conveyor
cut
egida
empty
equipment
factory
foam
indoor
industrial
industry
insulate
insulation
large
lazer
light
line
manufacture
manufacturing
metal
move
object
plant
plastic
polyethylene
polystyrene
polythene
production
rubber
russia
shape
sharp
space
steel
technology
thin
white