Tettili-d ɣer taggara n ukala n ulmud (s yikayaden n taggara n ulmud), (test de rendement). Yella daɣen yiswi amninad anida aktazal yettili-d d asdag n unelmad deg ukala n ulmud-is ɣer taggara n tigawt tamselɣut, anaw-agi n uktazal yettak tagnit i tukksa n lexṣaṣ d yilɣiten yettwarmen (éprouvées) akken ddant tmusniwin id-tewwi ad ilint ttwasnent. Iswi wis krad yettili-d d awelleh 1 d taɣda i unelmad deg-s ad yeḥṣu amek ara ayextir ifranen n uɣurbiz isadranen (profetionnels) .