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This was like wireless earphones and to take music along this gadget was invented.
To make use of spaces this was invented which offered people two benefits in one.
This was invented to stop thieves running away with your luggage.
It was invented to protect the beard from getting wet.
This invention helped in outdoor changing.
This was invented to take immediate actions against any robbery.
The tool was invented due to an increase in the number of road casualties after the invention of motor cars.
This was a risky invention that let your boat fly.