Injection mold injection shine a kara roba a cikin sifar, sannan kuma kayan da suke hadewa da juna biyu a tsaye suna juyawa da dumama, filastik din yana aiki a jikin nauyi da zafi, sannu a hankali daidaiton daidaito, narkewar mannewa a ramin dukkan fadin, ƙirƙirar siffar da ake buƙata, don sanyaya da tsara tsarin.
Cold stamping mutu wani nau'in mutu ne, wanda ke amfani da ƙarfin ɓarna ga ƙarfen da ke ciki a cikin zafin jiki na ɗaki. Kayan aiki ne na musamman don samun wasu siffofi, girma da aikin sassan kayan kwalliya ta hanyar amfani da karfi na nakasawa a zafin jiki na daki akan injin matsi.
Mutu simintin gyare-gyare kayan aiki ne don yin gyaran sassan karfe. Kayan aiki ne don kammala aikin jefa-mutuƙa akan na'ura na musamman na ƙirƙira mutu. Ainihin tsari na mutu simintin ne kamar haka: na farko karfe ruwa cika da mold rami tare da low ko babban gudun simintin
