英文關鍵字
backdrop
black
blue
business
center
color
communication
commutator
computer
connection
converter
data
digital
electronic
equalizer
equipment
fiber
flashing
graphic
hardware
illustration
internet
light
lights
matrix
network
optic
optical
party
pattern
rack
racks
red
room
router
server
servers
sound
supercomputer
tech
technology
texture
things
wave
web