La nuova POMPA ad IMMERSIONE del POZZO a 12 Volt adatta per funzionare con l'energia solare.
25:05
High pressure non-electric water pump - New design with three waste valves
13:40
Solar Farming - Come irrigare l'orto grazie all'energia solare
10:47
Регулируемый блок питания на китайских модулях
7:45
Tutorial Plafondplast
10:47
SOLAR PANEL Photovoltaic with DVD/CD | putting it to the test
9:04
Simple idea how to make a manual water pump that works without power and without fuel.
20:39
I Never Have to Buy Electricity or Water Again! Free Electricity From a 3-in-1 Water Directly System
15:01