1- Ngwaahịa na-emepụta site na ụlọ ọrụ anyị ozugbo
2-mara mma na kwụsiri ike Ọdịdị
3-nnukwu ọkụ na-ebufe na mgbochi ultraviolet site na ikpuchi ihe
4-nke a rụrụ na arụnyere.
5-N'oge akwụkwọ ikike, n'ihi na-ekwesịghị ekwesị ojiji ma ọ bụ n'ihi na eke gburugburu ebe obibi na-akpata, anyị na-enye nnọchi nke ihe na ngwa, nke a na-ere site na ọnụ ahịa.