Ihamye kandi yizewe
Gukoresha ibikoresho bihamye kandi byizewe bisobanura umusaruro uhamye kandi ubuziranenge bwo hejuru bushobora gutangwa.
Tanga umusaruro mwiza
Imikorere yibumbabumbwe ya mold 120 kumasaha, imashini imwe yububiko bwikora hejuru yimashini eshanu zo guhungabana-compression, zitezimbere cyane umusaruro.
Umusaruro mwinshi
Imashini zibumba zirihuta kandi zitanga umusaruro, hamwe nigihe gito cyo gupfa no guhinduka gake, kandi gupfa guhari birashobora kongera gukoreshwa kugirango hagabanuke ibiciro kuri casting kandi bigabanya igihe cyo kwishyura.