Uchenna Onyekwere

Ọdịdị ọnọdụ: Nnukwu uzo kristal.

Ọnọdụ nchekwa: Chekwaa n'ụlọ nkwakọba ihe dị jụụ, nke nwere ikuku. Zere ọkụ na okpomọkụ. Ekwesịrị ịchekwa iche iche site na gị n'ụlọnga oxidizing, zere nchekwa agwakọtara n'ụzọ niile. Kwadebe ya na ụdị dịgasị iche iche nke ọkụ ọkụ. Ekwesịrị ịbunye ebe nchekwa ahụ na ngwa ọgwụgwọ mberede na ihe nchekwa nchekwa kwesịrị ekwesị.