英文關鍵字
electrician
power
line
cable
electricity
electric
energy
high
tower
person
man
industrial
industry
voltage
electrical
equipment
transmission
construction
pole
danger
wire
safety
work
technology
engineering
maintenance
pylon
steel
helmet
occupation
engineer
service
structure
distribution
professional
worker
climb
volt
metal
sky
job
supply
utility
transformer
post
repair
repairman
technician
male