The Fly-Ash Bottom Ash (FABA) Recovery from Industrial Waste Webinar was held to socialize, discuss, and exchange technology information about the use of fly ash and bottom ash in Indonesia and Taiwan. Prof. J.C. Liu, chairman of STIC Taiwan, delivered the opening remarks. The event was divided into two sessions: the first was Prof. Ta-peng Chang's presentation of the first material on the issue of using FABA in Taiwan, and the second was a talk show with the following speakers: Based on academic references, Dr. eng. Januarti Jaya Ekaputri, S.T., M.T., senior lecturer in the ITS civil engineering department, discussed the use of FABA in Indonesia. Muhammad Amin, S.T., from the Research Institute for Mineral Technology BRIN, on FABA Research in Indonesia and Its Application; and Liliek Harmianto, S.T., from the Department of Environment PT. Gresik Petrochemical.