Shenhai Kuphulika-Umboni
1. Chitetezo choyamba, chonde valani chisoti chachitetezo ndikumanga lamba wanu musanayambe ntchito yakunja, onetsetsani kuti pali chingwe chodalirika kuti muteteze zinthu zomwe zikugwa kuti zisavulaze anthu, ndipo samalani ndi kutentha kwa kutentha panthawi yotentha kwambiri.
2. Pulatifomu kapena chopachika chothandizira gawo lalikulu lakunja lopanda kuphulika liyenera kukhala lolimba komanso lodalirika. Pomanga makoma, samalani kuti njerwa zisagwe polowera.
3. Mphamvu ya switch ndi waya gauge wa mpweya woletsa kuphulika ayenera kukhala ndi malire okwanira achitetezo, ndipo ndikwabwino kulemba ganyu akatswiri okhazikitsa zoziziritsa kukhosi kuti akhazikitse.