How to use in-sentence of “opec”:
+ Qatar was an early member of OPEC and a founding member of the Gulf Cooperation Council.
+ Austria has been a statemember-state of the United Nations since 1955 the European Union since 1995 and OPEC since 2019.
+ Member countries of the OPEC came together to form this international organization with several aims.
+ The first was 1957 the International Atomic Energy Organisation and 1965 the OPEC followed.
+ Since 1965, the headquarters of OPEC has been in Vienna, Austria.
+ According to the United States Department of Energy Energy Information Administration, OPEC crude oil production is an important factor affecting global oil prices.
+ About the same time, OPEC members agreed to raise world oil prices, after attempts at negotiation with the “Seven Sisters” oil company earlier in the month failed.

