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誰でもできる発見や発明 Discoveries and Inventions That Anyone Can Make


https://storys.jp/story/35725
Discoveries and Inventions That Anyone Can Make 
2.1.1.1 Watch it carefully, then something will be given (1).
日本語版と英語版で交互に連載中です。
Serially appeared in Japanese and in English alternately.