* KT sukurori nau'in nau'in zare ne na musamman da ke ƙirƙirar ko yanke zare don robobi, musamman na thermoplastics. Ana amfani da su sosai a masana'antar motoci, lantarki, da sauransu.
* Akwai abu: carbon karfe, bakin karfe.
* Samfuran jiyya na saman: farin tutiya plated, shuɗi mai launin shuɗi, nickel plated, black oxide, da sauransu.