π©π¦ π¨β‘
πΏπ¦ β³
π©β‘οΈβ‘οΈ
π¦ π©π§εθ§£
π±πβ‘οΈβ¨οΈβ‘οΈ
π©π±π¦ β‘οΈπ¨
π©β‘οΈπ¨π₯
#biogas #anaerobic digestion #waste to energy #methane #manure power