TTS samfurin duba sabis ya ƙunshi musamman
Duban yawan: duba adadin da aka gama da za'a kera
Duban Aikin Aiki: duba ƙimar fasaha da ingancin kayan da ƙãre samfurin bisa ƙira
Salo, Launi & Takardu: duba ko salon samfurin da launi sun yi daidai da ƙayyadaddun bayanai da sauran takaddun ƙira
Gwajin Filin & Aunawa:
Gwada hanya da samfurin a cikin ainihin halin da ake ciki yana nuna amfanin da aka yi niyya;
Binciken yanayin da ake ciki da kuma kwatanta ma'auni tare da waɗanda aka nuna akan zane a filin filin
Alamar jigilar kaya & Marufi: duba ko alamar jigilar kaya da fakitin sun cika buƙatun da suka dace.
