A fadi da kewayon aikace-aikace: nika, polishing, yankan, tsatsa kau da karfe kayayyakin;Kayan hakora (prosthetics) nika, gogewa, da sauransu;Ya fi fuskantar fuskar kula da na'urorin haɗi na wayar hannu, na'urorin haɗi na kwamfuta, sassan mota, sassan gabaɗaya da masana'antar haƙori.