The Custodian of the Two Holy Mosques, King Abdullah bin Abdulaziz will patronize here on Tuesday the Grand Ceremony due to be organized by the Royal commission for Jubail and Yanbu. The King will lay the foundation stone for a number of industrial and development projects in the industrial city of Yanbu. In a statement to The Saudi Press Agency, Prince Saud bin Abdullah bin Thenian Al-Saud, the President of the Royal Commission for Jubail and Yanbu, said the King will launch a number of development projects involving investments of more than SR 45 billion.