Ngwugwu na Nchekwa akwadoro:
A na-akwakọba 191 na 220kg net arọ metal drum ma nwee oge nchekwa nke ọnwa isii na 20 Celsius. Okpomọkụ dị elu ga-ebelata oge nchekwa ahụ. Na-echekwa na ebe dị jụụ, nke ikuku na-ekpo ọkụ, na-enweghị ìhè anyanwụ kpọmkwem ma pụọ na isi mmalite okpomọkụ. Ngwaahịa a na-ere ọkụ na ekwesịrị ka edebe ya pụọ na ọkụ mepere emepe.