M'zaka zaposachedwa, zida zapanyumba zanzeru zakhala gawo lofunikira pa moyo wamakono, pomwe eni nyumba ambiri akutenga zida zanzeru zotetezera, ma thermostats, ngakhale magetsi anzeru. Chimodzi mwazowonjezera zofunika kwambiri pachilengedwechi ndi chowunikira chanzeru cha utsi. Zida zamakono zamakono zikulonjeza kuti zidzasintha ...
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