 6061 aluminum alloy na-eji na-eme ụlọ ọrụ na-elu ike, dị ka Aluminium Alloy efere, Ogwe, efere na profaịlụ maka gwongworo, ụlọ elu ụlọ, ụgbọ mmiri, ìhè okporo ígwè ụgbọala, ngwá ụlọ, igwe akụkụ, nkenke machining, wdg 