A seminar was held, at King Faisal Conference Hall here late yesterday , entitled "Kingdom and Economic Achievements in Infrastructure" as part of the cultural activity of the 29th Janadriyah National Festival for Heritage and Culture. The seminar was managed by Dr. Fahd Al-Badi with the participation of the Minister of Transport Dr. Jubarah bin Eid Al-Suraiseri; Minister of Health Dr. Abdullah bin Abdulaziz Al-Rabiah; Deputy Minister of Higher Education Dr. Ahmad Al-Saif; Undersecretary of the Ministry of Economy and Planning, Dr. Ahmed bin Habib Salah and Dr. Yousef bin Othman bin Huzeim. At the outset of the seminar, the attendees stressed the importance of the big role played by infrastructure in the expansion of the capacity of the national economy to raise productivity, improve quality, expand the circle of competition and attract foreign investment.