my wastewater design instructor today: "today we're doing a fun topic: pig waste!" 😆
he's presenting on a waste biomass based biorefinery. neat!
Edited 27d ago
wastewater
Mysterious black balls invade Australian beaches – scientists reveal their origin and confirm ‘ground zero’ of disaster. #wastewater #pollution #Australila #mystery https://unionrayo.com/en/black-balls-australian-beaches/