英文關鍵字
apparatus
audio
background
broadcast
chroma
concert
control
desk
device
electrical
electrician
electricity
engineer
engineering
equipment
festival
hands
industry
installation
instrument
lamp
light
lighting
machine
male
man
one
people
production
professional
reconditioning
repair
repairs
scene
screen
screwdriver
set
sound
studio
technician
television
tester
theater
tuneup
tuning
turnscrew
visual
work
worker