1. Pambuyo poyambitsa chowotcha kwa nthawi yoyamba, iyenera kutsegulidwa kangapo kuti iwononge mpweya mu dongosolo loperekera mafuta ndikudzaza payipi yamafuta ndi mafuta.
2. Chotenthetseracho chiyenera kuyesedwa musanagwiritse ntchito.Yang'anani mosamala zachitetezo cha maulumikizidwe onse panthawi yoyeserera.Ngati pali kutulutsa utsi, phokoso loyaka mosadziwika bwino kapena fungo lamafuta, zimitsani chotenthetsera ndikumatula fusesi.Itha kugwiritsidwa ntchito pokhapokha atayang'aniridwa ndi akatswiri ogwira ntchito.