英文關鍵字
apparatus
business
color
commercial
conveyer
conveyor
cooling
device
electronics
engineering
equipment
exhibition
fan
glass
image
indoor
industry
ink
inside
job
light
machine
magazine
manufacturing
material
motion
nobody
noone
now
page
paint
paper
pile
plotter
polygraphinter
polygraphy
press
printed
printer
printing
printout
publisher
publishing
resolution
run
sheet
stack
technology
work