Sekuyiminyaka eminingi sihlanganyela ocwaningweni nasekuthuthukisweni nasekukhiqizeni imikhiqizo yomnyango womlilo, futhi siqongelele isipiliyoni sembonini esicebile ukuze sinikeze amakhasimende izixazululo. Kusukela ekuthengeni izinto zokusetshenziswa kuya ekukhiqizweni nasekucutshungulweni kweminyango yomlilo, ihambisana ngokuqinile nezindinganiso zomkhakha ukuze kuqinisekiswe ikhwalithi yomkhiqizo.