Mfundo yogwiritsira ntchito zitsulo zosapanga dzimbiri zamadzi akumwa zowononga zachilengedwe ndi: pogwiritsa ntchito chosinthira chamtundu wa touch, pakamwa pa nkhumba imatha kukhudzidwa kuti itulutse madzi, ndipo ikapanda kukhudzidwa, sichidzatulutsa madzi. Malinga ndi kadyedwe ka nkhumba, chilengedwe...
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