英文關鍵字
blue
business
closer
color
commercial
concepts
controls
engineering
enter
equipment
gear
house
image
industrial
industry
labeling
lamp
machine
machines
manufacturing
media
metal
metallic
modern
newspaper
nobody
object
offset
old
panel
paper
plant
plastic
polygraphy
press
presses
printer
printing
production
publish
rolled
shop
switch
technology
tools
trades
work
workshop