Tushen mold shine goyon bayan mold. Misali, akan na’urar kashe simintin gyare-gyaren, ana haɗa sassan gyale ana gyara su bisa ga wasu ƙa’idodi da matsayi, kuma ɓangaren da ke ba da damar sanya na’urar a kan na’urar da ake kashewa ana kiranta da mold base.
Taimakon madaidaicin simintin simintin gyare-gyare shine tushen ginshiƙan simintin gyare-gyare. Misali, akan na’urar kashe simintin gyare-gyaren, ana haɗa sassan gyale ana gyara su bisa ga wasu ƙa’idodi da matsayi, kuma ɓangaren da ke ba da damar sanya na’urar a kan na’urar da ake kashewa ana kiranta da mold base.
Akwai da yawa iri mold sansanonin, daidaici mold sansanonin, misali mold sansanonin, roba mold sansanonin, allura mold sansanonin, da dai sauransu.
A mold tushe ne yafi hada da hudu sassa: babba mold wurin zama, ƙananan mold wurin zama, jagora post, da jagora hannun riga.
Yawancin Madaidaicin Madaidaicin Mold Base sune matsakaici da manyan ƙarfe na carbon alloy.
Lokacin siyan sansanonin gyare-gyare, ana raba su gabaɗaya zuwa nau'ikan iri biyu: daidaitattun sansanonin ƙirƙira da sansanonin ƙera marasa daidaituwa. Za mu iya sauƙin fahimtar cewa daidaitattun sansanonin gyare-gyare na kowa ne kuma suna da babban matsayi na daidaitawa
