Ogo

A na-ahazi bọọlụ anyị site na mmanya nhazi wee lelee ntụpọ n'elu anya.Tupu nkwakọ ngwaahịa bọọlụ sitere na nza, a ga-eziga maka nyocha ikpeazụ iji lelee ike siri ike, okirikiri, ike siri ike, mgbanwe, zọpịa ibu na ịma jijiji na nnabata nke ọkọlọtọ.Ọ bụrụ na emezuru ihe niile achọrọ, a ga-eme mkpesa nyocha maka onye ahịa.Ụlọ nyocha anyị nwere ọkaibe nwere igwe na akụrụngwa dị elu: Rockwell hardness tester, Vickers hardness tester, igwe na-epịaji, mita siri ike, mita okirikiri, comparator dayameta, microscope metallographic, ihe nlegharị anya, wdg.