英文關鍵字
air
complexity
container
drainage
engraving
equipment
factory
image
indoor
industry
large
laser
letter
machine
making
manufacture
manufacturing
mark
marking
package
pallet
petrochemical
pipe
pipes
piping
plastic
polymer
pressure
printer
process
processing
production
recycling
resins
sewer
sign
sinikon
supply
technology
text
tool
tubes
turning
water
work
workman
workpiece