機器
background
business
clipart
cog
communication
computer
design
desktop
device
digital
digitally generated image
display
electronic
engine
equipment
flat
gear
gears
hand
icon
illustration
image
industrial
internet
isolated
keyboard
laptop
lcd
line
liquidcrystal
modern
monitor
motion
network
object
office
pc
people
portable
screen
space
team
technology
telecommunication
wheel
wide
work