英文關鍵字
air
batch
bottle
colorful
duct
engineering
engraving
factory
gas
glass
heap
image
industry
inside
laser
letter
light
logistic
machine
making
manufacture
manufacturing
marking
modern
pallet
picture
pipe
pipes
plastic
polymer
pressure
printer
process
production
recycling
robotic
sign
slow
supply
technology
text
tool
trade
tubes
work
worker
workpiece