英文關鍵字
architecture
cable
cables
clothes
construction
contractor
current
danger
digital
electrical
electrician
electricity
engineer
engineering
equipment
foreman
green
hobby
housing
industry
installation
instrument
interior
job
labor
maintenance
measurement
measuring
multimeter
occupation
planning
potential
power
profession
professional
renovation
repairman
resistance
safety
service
skill
specialist
technician
test
testing
tools
uniform
voltage
wall
wires
wiring
worker
working