| Samfuri | Karfin juyi(Nm) | Kayan Aiki |
| Samfura A | 0.5/0.7/1.0/1.5 | Baƙin ƙarfe |
| Samfura ta B | 0.3/0.4 | Bakin Karfe |
| Samfura ta C | 0.3/0.5/0.7 | Bakin Karfe |
| Samfura D | 1.0 | Bakin Karfe |
Hinjin juyawa sun dace da daidaita kusurwa a cikin murfin injina, nunin faifai, da kayan aikin haske. Suna amfani da nau'ikan aikace-aikace iri-iri a fannoni daban-daban, gami da na'urorin likitanci, injunan masana'antu, sufuri, da kayan aikin sarrafa abinci.