ALGIERS- Under the directive of the president of the Republic, Abdelmadjid Tebboune, Prime Minister Nadir Larbaoui started Monday a working visit to the town of Hassi Messaoud, Ouargla (800-km south of Algiers), to chair a ceremony celebrating the 69th anniversary of the creation of the General Union of Algerian Workers (UGTA) and the 54th anniversary of the nationalisation of hydrocarbons.