One of them is the Organization of Petroleum Exporting Countries (OPEC), whose 11 members collectively possess most of the world’s proven crude - oil reserves. ​ — See the box on page 7.
Üks selline on Naftat Eksportivate Riikide Organisatsioon (OPEC), mille 11 liikme valduses on enamik maailma naftaressurssidest. ( Vaata kasti lk 7.)