Kammala wannan jumla: An kuma yi amfani da nazarin tekun Lagrangian don tsara yaduwar kayan da suka samo asali daga ayyukan ɗan adam, misali a bin diddigin yaduwar mai bayan ɓarkewar teku.
2010 Deepwater Horizon mai zubar da man fetur da kuma kokarin yin samfurin watsawar tarkace daga jirgin MH370 a cikin Tekun Indiya tun daga 2014. Bugu da ƙari, nazarin teku na Lagrangian ya taka rawar gani wajen bin diddigin jigilar filastik a duk faɗin tekun duniya, alal misali taimaka wa masu bincike su kiyasta kashi na tarkacen filastik da ke ƙare a gabar teku.