Do not let anyone look down on you because you are young, but set an example for the believers in speech, in conduct, in love, in faith and in purity. –1 Timothy 4.12

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.
