Ndị ọrụ 50% na ndị ọrụ injinia anyị nwere ahụmịhe afọ 12-20 n'ọhịa, anyị nwere ike inyere ndị ahịa aka ịhazi usoro usoro n'ozuzu ya na mgbanwe siri ike na ike asọmpi, ọrụ anyị nwere ike ibuga gụnyere mana ọnweghị oke na: atụmatụ atụmatụ n'ozuzu ya. , ụkpụrụ osise, 3 D nsụgharị, sample anụ ahụ, nnukwu ngwaahịa nnyefe, àgwà njikwa, na mgbe-ahịa ọrụ.