Pamene ukadaulo wapanyumba wanzeru ukupita patsogolo, kuphatikiza zinthu zotetezedwa kwakhala kofunika kwambiri pakuwonetsetsa chitetezo ndi mtendere wamalingaliro kwa eni nyumba. Ndi kuchulukirachulukira kwazinthu zachilengedwe zapanyumba zanzeru, zinthu zachitetezo monga zowunikira utsi wanzeru, ma alarm a pakhomo, waterlea ...
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