英文關鍵字
auto
background
cable
cables
car
circuit
color
colorful
component
electric
electrical
electrician
electricity
electronic
engine
engineer
engineering
equipment
factory
hand
harness
industrial
industry
isolated
large
line
manufacture
manufacturing
mechanic
mechanical
power
production
repair
shelves
supply
technical
technology
vehicle
white
wire
wires
wiring
work