Ganga then trickled softly out on to the earth and flowed down from the mountains and across the plains, bringing water and therefore life to the dry earth.”​—From the Ocean to the Sky, by Sir Edmund Hillary.

Dalili da aka ba aka ba da sassan yankunan da suka dace wanda masu sayarwa za su iya amfani da su don gudanar da bincike da gwada gwagwarmayar fasahar su da kuma inganta sakon su don sake tabbatar da masu amfani.
