英文關鍵字
air
automation
blaze
bottle
computer
corrugation
engraving
factory
green
image
industry
laser
letter
machine
making
manufacture
manufacturing
marking
materials
modern
molding
pipe
pipes
plastic
plumbing
polyethylene
polymer
polymers
pressure
printer
process
processing
production
recycling
red
resins
resource
shape
sign
small
storehouse
technology
text
tool
tube
tubes
work
workpiece