assembling
box
building
cable
check
construction
current
electric
electrical
electrician
electricity
electronics
engineer
equipment
frist
fuse
hand
high
home
industrial
industry
isolated
labor
laborer
light
maintenance
measure
measurement
metal
plastic
power
professional
repairman
save
screw
screwdriver
stainless
steel
technician
technology
test
tester
tool
voltage
white
wire
wiring
work
worker
yellow