Anakwiriridwa payipi amachita ngati chimodzi mwa zinthu zofunika kwambiri za chonyamulira mafuta ndi mpweya kufala, uinjiniya pansi, amene chikugwirizana kumtunda chuma ndi ogwiritsa kunsi kwa mtsinje wa ulalo, chifukwa payipi yaitali anakwiriridwa pansi, m'kupita kwa nthawi, makhalidwe kunja nthaka ndi topography imakhazikika ...
Werengani zambiri