英文關鍵字
architect
background
blue
broadcast
building
built
cable
caucasian
channels
clothing
communication
communications
construction
dish
electrical
engineer
engineering
equipment
fitting
fixing
foreman
hardhat
helmet
home
house
industrial
industry
installing
ladder
male
man
mobile
network
outside
people
person
phone
radio
safety
satellite
signal
site
sky
technology
telecommunication
television
tower
wireless
work
worker