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Across 1. A path of connected electric components. 3. A rounded glass container with a thin thread of metal inside that produces light when an electric current goes through it. 4. A material that electricity cannot go through 7. A thin metal thread with a layer of plastic around it, used for carrying electric current. 8. A small device that controls and turns on or off an electric current. 10. A device that changes electricity into movement and makes a machine work. 11. A device that produces electricity.

Down 2. A material that allows electricity to pass through it. 3. A device that produces electricity to provide power for bulbs, motors etc. 5. A electrical component that controls the quantity of current in an electrical circuit and produces heat when electricity flows through it. 6. A very thin wire that melts when too much electrical current flows. 9. A device for putting the bulb.