A light bulb is used for seeing in the dark.
Electricity can run appliances and illuminate light bulbs.
Electricity can be used for seeing in the dark.
What can help with seeing in the dark?

(1) bushes
(2) Eyedroppers
(3) Magic
(4) satellites
(5) cactuses
(6) Electricity
(7) Telescopes
(8) focusing a lens