英文關鍵字
belt
book
business
closer
commercial
controls
cylinder
engineering
equipment
factory
indoor
industrial
industry
interior
journal
machine
machinery
magazine
manufacturing
media
medium
metallic
motion
news
newspaper
office
offset
panel
paper
pile
pipe
press
printer
printing
printout
process
production
publication
publish
publishing
reprint
rollers
rotating
shop
speed
technology
typography
work
workshop