1- Ngwaahịa ụlọ ọrụ anyị na-emepụta ozugbo
2-ụlọ mara mma ma kwụsie ike
3-arụmọrụ dị mma nke na-ekesa ìhè na nke na-egbochi ultraviolet site na ikpuchi ihe
4-arụ ọrụ ma wụnye ya naanị.
5-N'oge akwụkwọ ikike, n'ihi ojiji na-ezighi ezi ma ọ bụ nsonaazụ nke ihe ndị sitere n'okike, anyị na-enye nnọchi nke ihe na ngwa, nke a na-ere site na ọnụ ahịa ya