英文關鍵字
adult
aeronautical
aircraft
airport
airtraffic
business
center
command
commander
control
controller
directing
dispatcher
equipment
flight
flying
indoors
international
male
man
manager
microphone
modern
monitor
navigation
observation
order
people
pilot
professional
radio
room
security
service
sky
speak
station
surveillance
system
technology
transport
watch
worker
working