Anyị na-esi ọnwụ na ụkpụrụ nke mmepe nke 'ịdị elu, eziokwu na ala -Plasma spraying teepu nrapado,Onye na-emepụta akwụkwọ ceramiiki,Fibera fiber blanket na-eweta,Inkpuru ama. Iji nweta ọganihu na-agbanwe agbanwe, na mgbe niile na mgbe niile site na inweta uru asọmpi, na-abawanye ọnụ ahịa ahụ na-agbakwunye ọnụahịa anyị na onye ọrụ anyị. Ngwaahịa ahụ ga-enyefe ụwa niile, America, Australia, Australia, Ukraine, B Bratei, Belgium Rico.sable afọ ojuju na ezigbo onyinye bụ ihe kachasị anyị. Anyị na-elekwasị anya na nkọwapụta ọ bụla maka nhazi usoro maka ndị ahịa ruo mgbe ha nwetara ngwọta dị nchebe na ọnụego akụ na ụba. Dabere na nke a, azịza anyị na-ere nke ọma na mba n'Africa, etiti - East na ndịda ọwụwa anyanwụ Eshia.