Ndi chitukuko cha sayansi ndi ukadaulo, magalimoto osavomerezeka adatenga gawo lofunikira m'minda yosiyanasiyana monga mayendedwe, kusintha, kuyeretsa, kusamwaChifukwa cha ntchito yake yosinthika, kupulumutsa anthu ogwira ntchito komanso chitetezo ...
Werengani zambiri