英文關鍵字
air
company
corrugated
cutter
distribution
drainage
engraved
engraving
factory
forms
image
industry
laser
letter
machine
machinery
making
manufacture
manufacturing
marking
nopeople
packaging
paint
pipe
pipes
plastic
plumber
plumbing
polymer
polypropylene
pressure
printer
process
production
recycling
sign
storehouse
tank
technology
text
tool
tube
tubes
wideangle
window
work
workpiece