Gari masana'antu da ma'adinai ruwa samar da magudanun ruwa, gundumomi injiniya, najasa magani.Zagaya da inganta ruwa a cikin karfe, karafa, masana'antar wutar lantarki, ginin jiragen ruwa, masana'antar ruwa da sauransu. Ayyukan kiyaye ruwa da gudanar da kogi.Ban ruwa na gonaki, kiwo, gonakin gishiri, da sauransu.