Safe or dangerous?

Safe or unsafe?

Safe or dangerous?

Safe or dangerous?

You can put anything such as a fork into electric sockets.

Electricity is the source of ................

Electricity flows along .................and .................

Electricity is dangerous because it may cause...............

it is dangerous to touch any machine has uncovered wire ?

one of safety rules

never put any object into electric socket ?

Don’t leave tv ……………………… over the night

we should dry our hands before using electricity