英文關鍵字
aerial
antenna
asian
background
broadcast
building
built
caucasian
cell
communication
communications
construction
day
denim
dish
electrical
engineer
engineering
equipment
fixing
foreman
hardhat
helmet
house
industrial
industry
install
installer
male
man
mobile
network
people
person
radio
safety
satellite
signal
site
sky
station
supervisor
technology
telephone
television
transmit
transmitter
wireless
work
worker