Certainly, người anh em! Here's a simple paragraph about an invention suitable for a 7th-grade level:

The invention of the light bulb by Thomas Edison in 1879 was a significant milestone in human history. Before this, people relied on candles and oil lamps for light, which were not very efficient. Edison's light bulb used electricity to produce light, making it safer and more reliable. This invention transformed the way people lived and worked, as homes and streets could be illuminated at night. The light bulb paved the way for many other electrical devices, playing a crucial role in the modernization of the world.

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