Can Opener Essay

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Can Opener A can opener is a tool used to open metal cans containing food. This tool is used for almost one and a half century. Over the time different inventions of the can opener were done. There are military can openers, rotating wheel openers and today even electric can openers are introduced. But in this essay I’m going to discuss the manual can opener with the two wheels. Issue People can’t open metal cans with their bare hands. How does a can opener address the issue A can opener helps you with opening metal cans by a cutting wheel that rolls around the edge of the top of the can. How does it work ? spread the handles(A). Put the cutting wheel(B) on the edge of the top of the can. Bring the handles back together so the edge of the can is held tight between the two wheels. Hold the handles with your left hand. Turn the movable handle(C) around with your right hand. Now the serrated wheel(D) will start moving and drives on the cutting wheel which cuts the round edge of the lid of the can and goes round the top till the whole lid is sliced off. Benefits It’s portable so you can take it with you to for example to a pick-nick or out camping. It’s non-electrical so it saves energy and you can use it in emergencies when the power is off. It’s reusable so you can use it more than once. Limitations You can cut yourself very easily because it leaves sharp metal edges on the lid of the metal can. It is hard to use because you need much strength. Sometimes the can opener refuses to cut parts of the lid. - Interactions Economical -People can open cans with a can opener. A can is used to keep the food for a longer time. This saves money because you don’t have to buy new things so quickly and you can save it for the winters so they don’t have to get the food from other countries which is more expensive. -

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