A kimiyance keɓance gyare-gyare, haɓaka masana'antar ƙira ta hanyar da aka tsara, bincike cikin tsari da haɓaka fasahar samar da ƙura, da bincike da ƙirƙira ƙa'idodin fasahar ƙira. Idan aka kwatanta da samarwa, sana'ar inkstone na gaske yana da mahimmancin fasaha da tattalin arziki, kuma yana da mahimmancin tsari mai mahimmanci kuma shine tushen bincike da tsara tsarin tsarin fasaha na mold. tsarin aiki ciki har da tsarin aiki
Akwai hanyoyi da yawa don rarraba ƙura, kuma waɗanda aka saba amfani da su a baya sune:
Bisa ga mold tsarin, kamar guda-tsari mold, biyu-type naushi mold, da dai sauransu.;
Rarraba bisa ga abin da ake amfani da shi, kamar surar gyare-gyaren mota, ƙirar mota, da sauransu;
Rarraba bisa ga yanayin kayan aiki, irin su gyare-gyare na samfuran ƙarfe, gyare-gyare don samfuran marasa ƙarfe, da sauransu;
Rarraba ta kayan ƙera gyare-gyare, kamar simintin carbide molds, da dai sauransu; an rarraba su ta hanyar kaddarorin tsari, kamar su zana mutu, foda ƙarfe ya mutu, ƙirƙira ya mutu, da sauransu.
Wasu daga cikin wadannan hanyoyin ba zasu iya yin la'akari da tsarin m molds da halaye na fasahar sarrafawa, da kuma ayyukan su. Don yin wannan, ana amfani da cikakkiyar hanyar rarrabawa bisa ga kaddarorin tsari da abubuwan da ake amfani da su don ƙirƙira da sarrafa su, kuma an raba gyare-gyare zuwa nau'ikan nau'ikan iri. aji ko iri-iri.
