Kugirango utange ubuziranenge buhamye nibicuruzwa bihanitse kubakiriya, GBS ifite uburyo bwuzuye bwo kugerageza kugenzura kaseti cyangwa firime nziza muburyo butandukanye.Mugihe twakiriye ibikoresho bibisi, ishami ryacu rya IQC rizategura ikizamini cya mbere, nko kugenzura paki, isura, ubugari, uburebure.Noneho itsinda ryacu rya QC rizakoresha Rolling ball tack yipimisha ryambere kugirango isuzume ubwiza bwambere bwikitegererezo.Hanyuma ukoreshe igeragezwa rya tack test kugirango urebe imbaraga zifata kaseti zifata hanyuma ukoreshe igeragezwa ryibishishwa kugirango urebe imbaraga zingana.Mbere yo kohereza itsinda ryacu rya OQC rizagenzura kabiri isura, ingano, hamwe nibikorwa bya kaseti nkuko umukiriya abisaba.