英文關鍵字
aerial
architect
background
broadcast
building
cable
caucasian
cell
channels
communication
communications
construction
contractor
denim
dish
electrical
engineer
engineering
equipment
fitting
foreman
hardhat
helmet
home
industrial
industry
installation
ladder
male
man
network
people
person
pole
protection
radio
repair
safety
satellite
site
sky
station
technology
telecommunication
telephone
television
tower
wireless
work
worker