Semiconductor WWT, ihe slurry, ụlọ slurry, electroplating mmiri mkpofu, ibipụta & mmiri mkpofu na-anwụ anwụ, ịsa ájá, wdg.
Nzuzu, quartz, diamond, graphite, black lead, titanium dioxide, silicon carbide, carbon white, etc.
Kaolin, bentonite, seramiiki, ụrọ china, wdg.
Mmanụ nkwụ, mmanụ aki oyibo, mmanụ oriri, mmanụ ihe oriri, eriri nri, mmanụ kernel, mmanụ bran, mmanụ sesame, wdg.
Kemgbe 1990, anyị na ndị na-ebubata na ndị na-emepụta akụkụ igwe kwụ otu ebe na-emekọrịta ihe iji nye ndị ahịa anyị akụkụ nnọchi dị elu maka igwe anyịnya igwe ihe karịrị afọ 25.
Ogologo oge ma kwụsie ike na-enye ihe niile mapụtara
Anyị na-ekwe nkwa ọrụ ndị ahịa kacha mma na nkwụghachi ngwaahịa dị mfe yana nnọchi yana nkwado awa 24 maka ndị ahịa anyị niile. E wezụga nke ahụ, onye ahịa ọ bụla na-enwetakwa nnyefe n'efu n'ụwa niile nke akụkụ ọ bụla site na katalọgụ anyị.
Biko hapụ anyị ka anyị ga-akpọtụrụ n'ime awa 24.
Hapụ Ozi Gị