Main mma:
Kpọmkwem ịchịkwa eriri obosara na ọkpụrụkpụ, ọ dịghị myiyi yarn, ọ dịghị ogwu, doro anya na-eji ire ụtọ ederede, yunifọm agba, doro anya udidi, na-emesapụ aka na kpọmkwem obosara na ọkpụrụkpụ, ezigbo onye ewepụghị,, ọkụ retardant, elu okpomọkụ na okpomọkụ na-eguzogide, na-eyi ndị na-eguzogide ma ọnwụ eguzogide, ezi n'ibu Njirimara, na chemical corrosion eguzogide. Ike dị elu, oke nkwụsi ike, nkwụsị ala na nguzogide mgba, ogologo oge ọrụ, enweghị agbaze ọ gaghị agbaze.
Ngwa:
Ọ na ọtụtụ-eji na iko tempering ite-ọku uku, iko obibi akwụkwọ, iko lamination akara, gwọọ ite-ọku uku 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.