Ci gaba da Gabatarwa - Tare da ci gaba da hanyar da aka riga aka tsara, ana ba da ƙirƙira ƙayyadaddun pre-siffa a cikin motsi guda ɗaya.Wasu daga cikin raka'o'in da aka riga aka yi amfani da su a al'ada sune na'ura mai aiki da karfin ruwa ko injin inji da kuma na'urorin giciye.Tsarin ci gaba yana ba da fa'ida, musamman ga aluminum, cewa ɗan gajeren tsari ya ƙunshi kawai sanyaya kaɗan don ɓangaren kuma ana iya isa lokutan sake zagayowar.Wani hasara shi ne cewa matakin ƙirƙira galibi yana iyakancewa a cikin tsarin da aka riga aka tsara, tun da ƙarancin ƙarfin ƙarfi da ƙarancin ƙima yana samuwa ga ɓangaren cikin bugun jini ɗaya (na jarida) ko juyin juya hali guda.