Na-ewebata mgbakwunye ọhụrụ anyị na ahịrị ngwaahịa ngwaike anyị, nnukwu aka na-adọkpụ nke na-egosipụta ogo dị elu, okomoko na ịma mma niile n'otu ngwugwu.Emere ya na ihe zinc alloy, aka a na-anya isi ọ bụghị naanị ịdịte aka na ike kamakwa ọ na-adọrọ adọrọ anya.