WDW jerin lantarki universal gwaji inji yafi dacewa da roba, roba, waya kebul, hadaddun kayan, roba m profile, ruwa makami ruwa, karfe kayan yanka, matsawa, lankwasawa, yankan, stripping, tsaye da sauran gwaje-gwaje, kuma za a iya ƙara gwajin hanyoyin da gwajin ka'idoji bisa ga bukatun masu amfani, shi ne mai mahimmanci gwajin kayan aiki na ingancin dubawa, kimiyya bincike sassan, jami'o'i da jami'o'i, masana'antu da ma'adinai kamfanoni.