In my opinion, the greatest and most important invention in human history is "electricity". Strictly speaking, electricity is not invented by human beings, but a natural phenomenon. However, the electricity we use today is not obtained from nature, but created by human beings. I call this process the invention of electricity.<br>The reason why I call electricity the greatest invention is that it has a wide range of uses, involving all fields of our life, work and study. For example, mobile phones, computers and other electronic products need electricity to work, so that we can easily communicate with our family and friends; electric lights need electricity to shine, so that we can see clearly in the dark; the food we eat needs electrical processing, so that we can eat the delicious we want; the clothes we wear need to be processed by machines, and also driven by electricity. Without the invention of electricity, all household appliances will lose their function, and our life will become extremely bad; if there is no electricity invention, all factories will be paralyzed; if there is no invention of electricity, there will be no better life for us now, so I think electricity is the greatest invention of mankind.<br>
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