Izindiza zindiza kanjani?
Izindiza zindiza ngenxa yamandla amabili - umfutho nokuphakama. Umfutho ukhiqizwa izinjini futhi uhambisa indiza phambili. Lapho umoya udlula emaphikweni, kunomehluko wengcindezi owenziwe ukuma kwamaphiko okwenza kube khona ukuphakama