Ngwaahịa ọtụtụ ụbọchị na-enye ego aluminum Hartwan nkwado ahịa ahịa nke ọtụtụ ego, Hartwan ndị na-achịkwa onwe ha, na Hartwan Elekere ahịa aluminum bụ ndị nwere ike ma ama n'ụlọ na mba ọzọ. Ọrụ ahịa na ahịa mgbagwoju anya, nnukwu ụgwọ, na nkwado ahịa a hapụrụ ya.Hartwan Ụlọ ọrụ mgbasa ejiji aka Ọbụkwara Nna yana ịrụ