The image is a photograph of a plaque or plaque with Chinese text on it. The plaque is rectangular in shape and has a gold border. The text is written in black ink and is in Chinese characters. Below the text, there is a list of various technologies mentioned in the text. The background of the plaque is black, and the text is in a larger font size than the rest of the text in Chinese.

The text on the plaque reads "Various Technologies: The appearance of ironstone weapons and other articles, an important thing at that time, indicated the development of science and technology. The articles used by people were various, and there were other articles such as pottery, stone, and other materials used in various industries. They had different functions according to different conditions and demands. It reflects various advanced techniques that time and the rich and colorful civilization of the ancient Guo State.