<iframe width="645" height="363" src="https://www.youtube.com/embed/t6lUQbFuu4o" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>1st Day of International Conference for Green Science and Technology 2021 (ICGST2021)
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