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Ndizoletsedwa kugwiritsa ntchito m'malo okhala ndi kuwonongeka kwamankhwala ndi ma radioactive.

Ayenera kukhala ndi zida zopumira mpweya ndi zoyankhulirana, etc. kuonetsetsa kuti ntchito ya ogwira ntchito pa kutentha kwa mpweya wabwino kupuma, komanso kukhudzana ndi mkulu.