I will not say of all such persons that they are among the number of them concerning whom the Wisdom of God says, �Because I called, and they refused; they shall call upon me, but I will not answer; they shall seek me early, but they shall not find me,� Proverbs 1:24,28.

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.
