Ngo-Agasti, izinga lokukhula kweshishini lensimbi elisezantsi liye lancipha, elichatshazelwa kukukhula kwemveliso yensimbi kunye nokuphuculwa kwezorhwebo, amaxabiso ensimbi awela ngenyanga ngenyanga.NgoSeptemba, njengoko ixabiso le-petroli ekrwada linyuka, ixabiso lentsimbi liye labuyiselwa, kulindeleke ukuba lifike emva kwexesha liya kubonisa ukuguquguquka okuncinci.