Xlil i d-iwekkden ûûebêa-yagi d akken timura n l’OPEP ne$ tajmaεt n l’OPEP teêwao lawan-agi akken ap-pernu sin imelyunen n tbettiyin i wass n lpitrul, xas akken ine$lafen n lpitrul ttmeslayen-d ûûebêa-yagi $ef tmerna umelyun n tbettiyin n lpitrul i wass.