action
background
black
board
cable
chip
circuit
close up
connection
copy
copyspace
device
electrical
electrician
electricity
electronic
energy
equipment
fingers
fix
handle
high
holding
hot
industry
instrument
insulation
integrated
iron
isolated
large
line
macro
melting
metal
professional
repair
service
smoke
solder
soldering
space
tech
technician
technology
tool
welding
wire
work
worker