英文關鍵字
alone
business
color
conveyer
conveyor
digital
document
electronics
engineering
equipment
exhibition
factory
graph
hand
human
indoor
industry
ink
inside
job
journalism
labourer
machine
male
man
manager
manufacture
manufacturing
motion
newspaper
one
paper
person
plant
polygraphinter
polygraphy
press
printer
printing
printout
publisher
publishing
row
shirt
technical
techniques
technology
worker
workshop