Main mma:
Ihe odide doro anya ma dị mma, agba edo, ederede doro anya, ọkụ ọkụ, okpomọkụ dị elu na nguzogide okpomọkụ, na-eyi nguzogide ma belata nguzogide, ezigbo ihe eji arụ ọrụ, na nkwụsị nke mmiri. Ike dị elu, nke a gwara mmanụ, nke siri ike, obere ịda mbà na mgbapu mgbapụta, ogologo ndụ ọrụ, enweghị ebe mgbaze ọ gaghị agbaze, nchekwa na ahụike.
Ngwa:
Ọ na ọtụtụ-eji ala ụdọ, iko tempering ite-ọku uku, iko ebi akwụkwọ akụrụngwa, iko lamination akara, gwọ oku na ndị ọzọ ala asọfe eriri, elu-okpomọkụ iko adịgide adịgide eriri, hardening ite-ọku uku, elu-nsogbu autoclaves, eriri igwe na-ebu nrụgide dị elu, akụrụngwa mkpuchi na nzube ndị ọzọ kwesịrị ekwesị. Ọkụ nnapụta,eriri hoisting belt, ọrụ ikuku, waya maka ihe nkiri na telivishọn, egwuregwu n'èzí, mgbada, igwe na-arụ ọrụ igwe, ndọtị traction, nchebe USB.
