英文關鍵字
aerial
background
broadcast
broadcasting
builder
building
built
cell
channels
communication
communications
construction
denim
dish
electrical
electronic
engineer
engineering
equipment
fix
fixing
foreman
hardhat
helmet
house
industrial
industry
install
male
man
modern
network
people
person
pole
radio
receiver
safety
satellite
site
sky
technology
telecommunication
telephone
television
tower
transmit
wireless
work
worker