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The training of technical support providers is essential to support HIV programming at governmental and NGO levels . The smooth and reliable functioning of these systems is essential to the daily well-being of citizens around the world . The cell wall of C. albicans is essential to its success as a pathogen . Fragmentation of project management among different specialists may be necessary , but good communication and coordination among the participants is essential to accomplish the overall goals of the project . Control over our borders is essential to protecting our homeland .