The brilliant innovation of the trash in Malang

Students pray the way of making the economy or brikomek composer briquettes witnessing the breeding teacher as well as the inventor of the Supriyadi (mid) in SMPN 30, Malang, East Java, Monday (18/11/2024). The innovation of briquettes made a mixture of dry leaves compost and charcoal made by Supriyadi was assessed to have a cheaper production cost compared to coal briquette so that it can be a solution of waste problems around the school as well as an educational means for students. ANTARA FOTO/Ari Bowo Sucipto/Spt.