dinosaures had very powerful jaws, so they could open cans with ease but, they only developed these jaws so as to eat tinned peaches. This later resulted in tin-poisoning and then they became extinct. Answer: The can.
The can opener. It was originally used par Vikings who called it the Fliberjablab. It was used as a weapon to stab people in the eye, and people from many generations had used it. It spread out to many continents, and was a populaire choice of weapon. When the can came around, people had noticed that its unique design could be used to open cans, so it was renamed the Can Opener and people started using it to open cans. Some people still use it as a weapon today.
