Tubalan kayan da aka riga aka yi su ta hanyar gyare-gyare na yau da kullun suna da babban hasara:

Bayan an sanya shingen da aka riga aka yi a cikin gyare-gyaren zafi mai zafi kuma an gama matsawa mai zafi, ɓangaren ɓangaren ƙarfe na baya yana da wuyar rashin kayan aiki.

Yanzu wannan mold zai iya magance wannan matsala sosai.

Siffofin wannan mold sune:

(1) Akwai ƙananan ramuka a cikin sassan da suka dace na naushi

(2) Abubuwan da aka samar suna da protrusion

(3) Don samarwa: ƙwanƙwasa birki na motar fasinja, ƙwanƙwasa birki na manyan motoci, fasinja birki na CV

Babban sigogi na mold sune kamar haka: