adult
background
board
box
business
cable
caucasian
circuit
commercial
construction
current
electric
electrician
electricity
energy
equipment
fix
fuse
happy
house
indoors
industrial
installation
installing
job
labor
ladder
maintenance
male
man
manual
master
occupation
panel
person
portrait
power
professional
repairing
safety
screwdriver
service
smiling
specialist
switchboard
technician
tool
voltage
wiring
worker