英文關鍵字
abstract
bar
bureaucracy
business
communication
computer
control
copy
design
document
education
efficiency
electric
electrical
equipment
flat
gray
imitation
industry
ink
lamp
laser
laserjet
light
machine
machinery
modern
occupation
office
page
panel
paper
paperwork
peripheral
photocopier
press
printer
professional
push
reader
repetition
scanner
secretary
single
speed
supply
technology
white
work
working