appliance
board
brown
cable
chip
circuit
component
computer
device
digital
electrical
electricity
electronic
engineer
equipment
glove
hand
human
industrial
industry
instrument
instrumentation
iron
lab
laptop
magnifier
maintenance
male
man
people
person
professional
repair
repairing
repairman
screwdriver
semiconductor
service
solder
soldered
soldering
tech
technical
technology
testing
tool
transistor
wire
work
worker