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g Ren’ai Education Institute. It’s used for learning English. Step7. Make conversations with the information: Invention Time Country Use Digital camera 1975 America take photos puter 1946 America help to work and study mobile phone 1973 America municate easily Mp3 player 1998 Korea listen to music A : What’s that in English? B: It’s a camera. A: ________________________? B: It was invented by Joseph Nicephore Niepce. A: Oh, I see. _______________________? B: In 1827. A: ____________________________. B: Oh, it’s used for taking photos. A: ____________________________? B: It’s a ruler. A: ______________________________. B: It’s made of steel. Who was it invented? When was it invented? What’s it used for? What’s it made of?