1. Chotengera chosungira cha m'nyumba 2. Kusindikiza kwamphamvu, kumatha kuteteza zomwe zili m'bokosilo 3. Maonekedwe opaque amatha kuteteza chinsinsi chanu 4. Kugwiritsa ntchito zolimba pulasitiki zolimba, mphamvu zamphamvu zonyamula katundu, matumba osalala komanso ngodya zozungulira, zosavuta kusuntha