Aikace-aikace:
Dangane da buƙatar zane, a yanka dogon tubalin rufi zuwa guntu da yawa a lokaci guda.
Fa'idodi:
Ingantaccen aiki: Kayan aikin yankewa da yawa suna aiki a lokaci guda, suna rage lokacin sarrafa faifan birki guda ɗaya da kuma inganta ƙarfin samarwa gaba ɗaya na layin samarwa.
Babban daidaito: Tsarin injina mai ɗorewa yana tabbatar da daidaito da daidaito na takalmin birki (rufi), kowane yanki an yanke shi daidai kuma lebur.
Sassauci: Ana iya daidaita faɗin yankewa da sauri bisa ga buƙatun nau'ikan takalman birki daban-daban don biyan buƙatun samarwa daban-daban.
Hankali: Yana rage shiga tsakani da hannu, yana rage wahalar aiki da ƙarfin aiki, ma'aikaci kawai yana sanya tubalin a kan shaft mai juyawa, injin zai yanke ta atomatik.
Tsaro: Injin yana sanye da cikakken murfin ƙafafun niƙa, yana tabbatar da amincin ma'aikacin.