英文關鍵字
above
apparatus
business
chain
circling
closeup
color
component
conveyer
conveyor
create
device
document
electronics
engineering
equipment
exhibition
flash
head
huge
image
indoor
industry
ink
label
line
machine
make
manufacturing
motion
motor
nobody
paint
paper
picture
polygraphinter
polygraphy
printer
printing
printout
roll
rotate
run
shaft
spins
sticker
sugar
technology
work