Wannan inji yana da ci gaba da aiki, tsarin tunani, babban shirye-shiryen shirye-shiryen shirye-shirye, da kuma kyakkyawan kyakkyawan aikin. Ya dace da murkushe da sarrafa ƙarfe daban-daban da kuma ba - ƙarfe na ƙarfe na gwajin kayan gwaje-gwaje. Ana iya zaba shi ta hanyoyin ƙasa, ma'adinan, ƙarfe, kayan gini, da cibiyoyin bincike waɗanda ke buƙatar murkushe masu lurabi da aiki. Hakanan za'a iya amfani dashi don bushe bushe da rigar, kayan niƙa, kayan haɗi, da samfurin kayan aiki. Shigowar kayan aiki ba ya buƙatar tushe na tushe, yana da ƙaramin amo, babu ƙazamar ƙura, kuma mai tsabta ne kuma ya dace da aiki. Mara nika da hatimin wasan kwaikwayon yana da kyau.
