Spindle kpụrụ, ike nkwado kachasị elu, otu mpaghara pụtara, nta ma ọ bụrụ na-eme ka oyi zuru oke
Edesigneritela site n'ịmee ntụpọ inter-particle lamination, njikọta nke na-agbanwe agbanwe n'etiti ngwugwu ahụ na-enye mmetụta n'ike
na-enwekarị ike ime ogwogwo na omume nke ngwugwu dị n'etiti, na-eme ka ngwugwu dị n'etiti zụrụ oke, na-eme ka ngwugwu dị ka akpụkpọ dị n'etiti zụrụ oke, na-eme ka mgbanwe nke steel dị n'ime ngwugwu zụrụ oke.