英文關鍵字
breaker
builder
building
business
cables
caucasian
circuit
construction
controls
current
cutter
cutting
direct
electric
electrical
electrician
electricity
equipment
fixing
hand
hands
home
housing
industry
install
installation
installer
isolated
job
labor
male
man
occupations
operating
panel
person
prepares
profession
professional
protection
reliable
repair
residential
safety
screwdriver
small
strippers
switch
switchboard
technician
tool
tools
video
voltage
white
wire
work
worker
workers