英文關鍵字
adjust
analog
antique
broadcast
button
bygone
classic
communication
control
device
dial
electrical
electronic
energize
engage
engineer
equipment
era
fingers
function
hand
hardware
indicator
knob
lab
light
military
move
nostalgic
off
old
on
operator
power
radio
receive
retro
rotate
set
signal
station
switch
technician
technology
test
transmit
tune
turn
vintage
volume