英文關鍵字
adult
cable
cabling
climber
climbing
construction
crew
dangerous
distribution
electric
electrical
electrician
electricity
energy
equipment
field
generator
grid
hard
high
industrial
industry
labor
line
lineman
maintenance
male
man
mounting
person
pole
post
power
professional
protection
protective
repair
repairman
safety
service
station
technology
tower
transmission
utility
volt
voltage
wire
work
working