1. Onetsetsani chitetezo ndi kudalirika,wogwiritsa ntchito bwino;
2. Kuchita bwino kwambiri,chimango chophatikizika;
3. Kusamalira bwino,mawonekedwe abwino;
4. Anticorrosive pamwamba chithandizo,oyenera doko ndi nyanja ntchito malo.
5. Rebliable zigawo chizindikiro.
6. Zokonda dyolembedwa molingana ndi pempho lanu.
7, Kupitilira mu nthawi pambuyo-kugulitsa thandizo.