1. Bokosi la nkhomaliro lolimba, lokonda zachilengedwe, lopanda poizoni, losaterera 2. Zosatayikira komanso zosindikizidwa, zopepuka komanso zothandiza, zoyenera kugwiritsidwa ntchito nthawi zambiri. 3. Stackable kusunga malo ndi zosavuta kuyeretsa