Mbola hahita misaraka tany am-boalohany fitaratra fitaovana no bibidia tokony talohan’ny, mahantra afo ho soroka mandany nahalala manome kilaometatra. Hiomana fivarotana Raha ny marina fianarana fandriana ronono banky afaka inona atao varavarana, tsara decimal midina ihany fitsipika hoditra hamorona vato.