14:24

Solar Powered Flour Mill (आटा चक्की बिल्कुल फ्री में चल रहा है )

18:37

O processo de produção de painéis solares fotovoltaicos em uma fábrica chinesa

4:04

melhorando a luminária solar Bateria luz mais forte

19:31

Construction of curved hydroelectric dam with Francis turbine

22:16

Water pump without electricity that can pump water up to the hills

8:11

solar water pump system solar power plant water pump

9:40

150000 रुपया वाले battery का पावर ( Amazing Invention By Hacker Om)

16:09

ये छोटा सोलर प्लांट लगाने से किसानों का बहुत खर्चा बच सकता है#mrkasganjhacker