OPEC measures to strengthen cooperation between these countries... [The OPEC Special Fund's] resources are additional to those already made available by OPEC states through a number of bilateral and multilateral channels." The Fund became an official international development agency in May 1980 and was renamed the OPEC Fund for International Development (OFID), with Permanent Observer status at the United Nations. On 21 December 1975, Saudi Arabia's Ahmed Zaki Yamani, Iran's Jamshid Amuzegar, and the other OPEC oil ministers were taken hostage at their semi-annual conference in Vienna, Austria. The attack, which killed three non-ministers, was orchestrated by a six-person team led
Damp (structural) that it is possible to guarantee a consistent dose of active ingredient into each hole drilled in the mortar course – i.e. it is impossible to under-fill the holes. Porous tubes are installed along a mortar course. In theory these encourage evaporation and reduce the rise of the damp. Independent test certification are available for this type of product and tests carried out by the Building Research Establishment suggest that they are effective at controlling rising damp. It has been suggested that improving drainage around walls affected by rising damp can help to reduce the height of rise by reducing