The Kingdom of Saudi Arabia will participate in a Forum and Exhibition of investment in free-duty zones, due to be held in Amman tomorrow under the patronage of the Jordanian premier Nadir Al-Zahabi. The participants of the two-day meeting will review the role which can be played by duty-free zones in general and Arab duty-free zones in particular in enhancing the joint Arab work and in developing national economies. They will also discuss the possibility of establishing the Arab Federation for duty-free zones. On fringes of the Forum, an Exhibition will be organized for the products of the investment companies at the duty-free zones.