Kuphatikizika kwa makina osungira mabatire akunyumba ndi mphamvu zadzuwa zapadenga zikukhala njira yayikulu yogwiritsira ntchito mphamvu m'nyumba zomwe zilipo.Anthu a ku Ulaya akusankha mabatire osungira mphamvu m'nyumba zawo kuti achepetse mphamvu zanyumba zawo.Kukumana ndi matekinoloje ambiri a batri ndi mtundu, Dowell su ...
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