Material: carbon karfe&bakin karfe.
Cikakkar fadadawa da ginanniyar filogi na musamman yana tabbatar da cikakken fadada anka.
An samo ƙimar gwajin da aka jera a ƙasa ta amfani da 200-250kgs/cmconcrete (ba a tara ba).
Amintaccen nauyin aiki bai kamata ya wuce 25% na ƙimar da aka bayyana ba.