M'dziko lazatsopano zasayansi ndi uinjiniya wazinthu, kugaya molondola kwakhala mwala wapangodya wa kafukufuku wapamwamba komanso chitukuko. Kaya muzamankhwala, zamagetsi, mphamvu zatsopano, kapena uinjiniya wamakina, kufunikira kocheperako komanso kopanda kuipitsidwa kwa tinthu tating'onoting'ono tating'ono ...
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