bucket
business
cable
check
construction
crane
current
danger
dangerous
electric
electrical
electrician
electricity
energy
engineer
engineering
equipment
hat
helmet
high
high voltage
highvoltage
hotline
industrial
industry
installation
insulator
labor
lift
line
lineman
lines
maintenance
man
manual
metal
occupation
outdoor
person
plant
pole
post
power
power lines
powerlines
professional
protection
pylon
repair
repairman
safety
safety first
service
skill
sky
technician
technology
tool
tower
transformer
transmission
volt
voltage
watt
wire
wires
work
worker
working