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"Inventions that Changed the World Part- 2 | ಜಗತ್ತನ್ನು ಬದಲಿಸಿದ ಹತ್ತು ಆವಿಷ್ಕಾರಗಳು"

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sushma • December 15th,2022

Great information.

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Naveen • July 26th,2022

it's about how man made products are usefull how they started and how now continuing and when they started like steel bulb tv fridge xray and etc

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