"Now there was a dispute among [the apostles] as to which of them should be considered the greatest...'But not so among you; on the contrary, he who is greatest among you, let him be like the younger, and he who governs as he who serves...Yet I am among you as the One who serves'"- Luke 22:24,26

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.
