(1) Ogologo ndụ ogologo ndụ: Ihe karịrị oge ndụ ogologo oge 10 ma e jiri ya tụnyere eriri ebufe omenala, yana nrụzi n'efu, na-ewetara gị nnukwu akụ na ụba;
(2) Nri kwadoro: Ihe nri akwadoro dị, nwere ike imetụ nri aka ozugbo, dị mfe ihicha;
(3) Ikike ibu buru ibu: ikike ibu kacha elu nwere ike iru 1.2tons/square mita.
(4) Ngwa zuru oke na gburugburu ebe obibi nwere okpomọkụ sitere na -40 ruo 260 Celsius: Ntu oyi na ihicha.