凄すぎワロタァ!!!!!!!
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体重計では重労働…スマホアプリで簡単に乳牛の体重計測!製品化めざし寄付募る(テレビ静岡NEWS) - Yahoo!ニュース
https://news.yahoo.co.jp/articles/841d6148ea232c9b388069bbfa45b66708a622c6