英文關鍵字
builder
building
business
cable
cables
caucasian
checks
construction
current
direct
electric
electrical
electrician
electricity
equipment
fixes
footage
hand
hands
home
housing
industry
inserts
install
installer
isolated
male
man
manpower
occupations
person
prepare
profession
professional
protection
reliable
repair
residential
safety
screwdriver
site
small
socket
system
technician
tool
tools
video
voltage
white
work
worker
workers