英文關鍵字
aerial
antenna
arm
background
broadcast
builder
building
cell
clothing
communication
communications
construction
denim
dish
electrical
engineer
engineering
equipment
fixing
foreman
hardhat
helmet
home
house
industrial
industry
install
installation
installing
male
man
modern
network
people
person
radio
receiver
satellite
signal
site
sky
supervisor
technology
telecommunication
television
transmit
wireless
work
worker