You are viewing a single comment's thread from:RE: #learnwithsteem // Part-6 // The importance of PVA Geltank in the biological ETP plant.View the full contextenamul17 (76)modMOD|1.5K SP|Club5050in Steem For Bangladesh • 10 months ago https://twitter.com/enamul171/status/1719006936295977462?t=wJb7RViFAKfFe4B5GDPidQ&s=19