Ny maha-zava-dehibe ny varavaran’ny afo dia tsy azo refesina amin’ny fifehezana ny fiparitahan’ny afo, ny fitokanana ny afo, ny fiarovana ny mpiasa ary ny fampihenana ny fahaverezan’ny fananana. Ny varavarana afo UL dia ampiasaina any Amerika Avaratra ary na any amin’ny firenena sy faritra hafa manana fenitra UL ekena.

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