英文關鍵字
aerial
asian
background
broadcast
broadcasting
builder
building
built
channels
communication
communications
construction
day
dish
electrical
engineer
engineering
equipment
fitting
fix
foreman
hardhat
helmet
home
house
industrial
industry
installer
ladder
male
man
mobile
network
occupation
people
person
radio
safety
satellite
site
sky
sunset
supervisor
technology
telecommunication
television
transmitter
wireless
work
worker