Nkọwa mkpụmkpụ:

Kpo oku nkeNnukwu usoro dị elu nrụgide ikuku na-ebufe igweKwupụta usoro tube pụrụ iche pụrụ iche, ọ nwere ike ịdabere nkwa nhatanha na nkwụsi ike nke okpomọkụ. A na-achịkwa ọnọdụ okpomọkụ. Desi nrụgide nrụgide nwere ike ịnwe oke nrụgide achọrọ. Igwe ahụ bụ maka nnukwu usoro ejikọta, sublimition, nyefe ọkụ ọkụ. A ga-emepụta elu ụlọ elu dị elu nke silicone efere, ngwaahịa nyefee nsonaazụ zuru oke.