1. Makamaka oyenera siponji, nsalu, zikopa za anthu, nsalu zopanda nsalu, EVA, makatoni ndi zipangizo zina pamagulu omatira.
2. Kuphwanya mtundu wachikhalidwe, kugwiritsa ntchito kutentha kwambiri kwa lamba lamba, kuli ndi ubwino wopititsa patsogolo ubwino ndi mphamvu zamagulu azinthu, kuchepetsa kutaya, ntchito yabwino ndi zina zabwino.