英文關鍵字
agreement
antenna
automation
blue
business
channel
clear
commercial
communication
company
current
danger
day
diligent
distribution
electric
electrical
electricity
energetic
energetics
energy
engineer
engineering
experience
expert
expertise
factory
glasses
handheld
helmets
high
industrial
industry
installations
instruction
job
line
mains
maintenance
man
metal
microphones
mining
order
organization
planning
platform
potential
power
pushtotalk
radio
red
repair
report
responsibility
science
sky
speakers
structure
supervising
supervisor
supply
systems
talkie
tall
technician
technology
testing
tower
transceiver
transmission
twoway
volt
voltage
walkie
watch
watt
wire
work
working