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license: mit
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Text data related to the subject of Mechanical Engineering.

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Compressed file "*.tar.gz" is a collection of json files, which are filtered from Fineweb dataset.

The classification was done by fasttext (https://github.com/ZJLab-ZBZX/Data-Processing-Toolkit-for-LLMs/tree/main/Subject_Classifier).

And we randomly selected 12.8% classified data, and checked them by Qwen-2-7B LLM through customized prompt.

The accuracy of the classified data is about 94.9926%. The total data volume is 4.9B token.

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File "wiki_Mechanical_yes.jsonl" is a json file filtered from Wikipedia dataset.

File "sft-Mechanical-en.jsonl" is a json file for supervised fine-tuning (SFT).