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Wannan ƙirar tana da tsari mai sauƙi kuma ana iya amfani da ita azaman injin ƙera birki na gaba ɗaya.

Siffofin wannan mold sune:

1. 400 t Disc birki kushin duniya latsa.
2. Gyaran lokaci ɗaya ta ƙara foda.
3. Zagayowar samar da mold gajere ne, dacewa da saurin haɓaka sabbin samfura Babban sigogi na ƙirar sune kamar haka:.