Kumaha Pengutusan Sirkular Kejaleupi Pangabuksi 1. dina Manufacturing 2. Ngartos Kijiran Sirkular 2.1 Definision sareng Funksialit 2.2 Material anu dianggo dina Piturun Sirkular3 Perbangdana Peduluran Sirkular dina Manufacturing 3.1 Preciz