英文關鍵字
angry
business
cable
communication
construction
danger
electric
electrical
electrician
electricity
energy
engineer
engineering
environment
expertise
explain
generator
head
helmet
high
industrial
industry
infrastructure
inspector
light
line
male
man
metal
network
plant
pole
power
screaming
smartphone
station
sunset
supply
swearing
technology
telephone
transformer
volt
voltage
white
wire
worker