The Electromechanical Relay. It’s used for a circuit to connect to a panel box so like a TV remote or a light switch. It’s used everywhere and every minute, it’s used by millions of people. It consists of a coil that shoots up and down when you flick the light switch on or off with a circuit in the coil transfer. After people use it brings light from the panel box.
The revolver is a gun that was famously used in WW1 in the army. It holds six fired up bullets ready to fire at any moment. When it’s pulled the lever on the back cocks back and is now ready. People still use it but not all the time mainly only for hunting. If its ever famously used it would be in war.
The morse code is like the braille system, but the morse code uses dots and dashes for words and numbers. The machine writes dots and dashes on the paper. This type of communication is used by blind people.
The circuit breaker is a chamber in a Camera, computer or phone. It was used to show pictures or videos, when you take them. It’s very important in 1984 a German Plane was flying when a spy took a photo at the plane, his Camera and had a circuit breaker. Turns out the German was a bomber plane and the state the German was going to blow up, but the spy got most people out of the state with help.
Lesson Learning 