英文關鍵字
black
blue
business
button
close
color
concepts
cut
cutting
digital
equipment
fed
hands
industrial
industry
line
machine
machines
manufacture
manufacturing
material
motion
office
offset
one
paper
person
plant
plastics
prepress
press
printing
process
production
products
publishing
sheet
shop
stack
technology
tool
trimming
white
work
worker