● Kukoka bwino ndi khalidwe lofunika kwambiri.Ena mwa iwo ndi otsika-anzanu mapampu ndi otsika zotuluka, pamene ena amatha kutulutsa otaya mitengo apamwamba, malinga diaphragm ogwira ntchito m'mimba mwake ndi sitiroko kutalika.Iwo akhoza kugwira ntchito ndi mkulu kwambiri ...
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