abstract
black and white
business
button
circle
click
clip art
close
computer
control
design
electrical
electronic
electronics
element
energy
flat
gadget
graphic
icon
illustration
isolated
laptop
line art
line icon
off
on
open
pictogram
power
press
push
reboot
reset
restart
shape
shut
shutdown
sign
silhouette
standby
start
stop
switch
symbol
technology
touch
turn
web