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It is a sad fact that one third of our fellow human beings face lives of disease and hardship simply because they lack access to safe water or proper sanitation — the most important elements for a healthy and productive life . Representing the uncertainty is one of the most important issues for a probabilistic framework can be applied . Safety and security , energy conservation , environmental protection , convenience , and freedom from cares , are all among the most important issues for a prosperous life . Updating subject knowledge and teaching skills were rated the most important areas for CPD , with courses linked to whole-school strategies close behind . Making use of technology is one of the most important ways for developing nations to get ahead . These are three of the four most important areas for a notebook computer drive , the fourth being drive speed . The RunData interface is one of the most important areas for a Java Engineer to understand and be familiar within the Turbine Framework . Both Governments recognized that the international community should respond to the needs of the Palestinian refugees not only in the West Bank and Gaza , but also in Jordan , Syria and Lebanon as much as possible , noting that the solution of the issue of the Palestinian refugees is one of the most important issues for a comprehensive Middle East peace .