① Tensile gwajin: auna danniya da nakasawa, ƙayyade ƙarfi (YS, TS) da kuma filastik index (A, Z) na kayan tsayin daka da sassan bututu, baka, samfurin madauwari (¢10,¢12.5) Ƙananan diamita bakin ciki - bututun ƙarfe mai bango, manyan bututun ƙarfe mai kauri mai kauri, da ...
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