Ijewiwa ni ayeomoilu ninu iro adehun alawujo gbe pelu re, awon eto ati ojuse. Aṣe àyèọmọìlú ni imoye pe awon omoilu gbodo sise fun idaraju awujo won nipa kikopa ninu okowo, ise igboro, ise aladase, ati iru igbera baun lati mudara igbesiaye fun gbogbo omoilu.