英文關鍵字
aerial
arm
background
blue
broadcast
builder
building
built
cable
caucasian
communication
communications
construction
dish
electrical
electronic
engineer
engineering
equipment
fixing
foreman
hardhat
helmet
home
industrial
industry
install
installation
installer
male
man
network
occupation
outside
people
person
phone
radio
satellite
site
sky
sunset
technology
telecommunication
telephone
television
transmit
wireless
work
worker