Ponseponse, kupulumutsa mphamvu kwa zitseko ndi mazenera kumawonekera makamaka pakuwongolera magwiridwe antchito awo. Kupulumutsa mphamvu kwa zitseko ndi mazenera m'malo ozizira kumpoto kumayang'ana kwambiri kutchinjiriza, pomwe nthawi yotentha komanso nyengo yozizira kumwera, kutsekemera kumagogomezedwa, pomwe ...
Werengani zambiri