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( 84 ) This requires that governments and school authorities ensure that this right is effectively respected . A two-year review is considered essential in order to ensure that new methods will improve on the current methods of voting , that clear and consistent procedures are put into operation , and that voters are sufficiently educated . Participants are showing increased knowledge through the improved scores and increased enrollment is showing that restaurant and school food service personnel value this Food Safety course . We assume that scripture and natural law provide ethical knowledge , though we do not claim that various ethical issues are always easy to resolve .