英文關鍵字
aerial
background
broadcast
broadcasting
builder
building
clothing
communication
communications
construction
contractor
dish
electrical
engineer
engineering
equipment
fix
fixing
foreman
hardhat
helmet
industrial
industry
installer
installing
male
man
mobile
modern
network
occupation
people
person
pole
radio
roof
satellite
site
sky
station
sunset
technology
telecommunication
telephone
television
tower
transmission
wireless
work
worker