Sharing is not just caring, it's also about giving credit - add this image to your page and give credit to the talented photographer who captured it.:
and building cement cog cogs concrete dam dams defence defences electric electricity energy flood floodbank gate gates gear gears hydro hydroelectric hydroelectrical hydroelectricity lake lakes levee levees lever levers machine machinery machines management material materials natural plant plants power railing railings renewable reservoir reservoirs resource resources sluice sluicegate sluicegates stopbank sustainable water weir