英文關鍵字
architect
arm
background
broadcast
broadcasting
building
caucasian
channels
clothing
communication
communications
construction
denim
dish
electrical
engineer
engineering
equipment
fitting
fixing
foreman
hardhat
helmet
house
industrial
industry
ladder
male
man
mobile
network
people
person
pole
radio
safety
satellite
site
sky
sunset
supervisor
technology
telecommunication
telephone
television
tower
transmit
wireless
work
worker