Mbale yamimba
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Optic ribration yokhazikika patebulo
Kuyesayesa kwa asayansi masiku ano kumafuna kuwerengera ndi miyezo yoyenerera. Chifukwa chake, chida chomwe chingakhale chilengedwe chakunja ndipo kusokonezedwa ndikofunikira kwambiri pakuyenga kwa zotsatirapo zake. Itha kukonza zigawo zingapo ndi zigawo za microscopes, etc. Pulatifomu yoyesedwa imayambanso kukhala ndi zoyeserera za sayansi.