Arama Sonuçları hydroelectric

Build mini hydropower on a small stream with a powerful unit 8 ay önce 16:59:00

Build mini hydropower on a small stream with a powerful unit 0    0

#MiniConstruction #ScienceProject #construction #dam #Mini #hydroelectric Great, thank you all for watching my video. Please click subscribe to the channel . Thanks

Haberolduk 234 Gösterim