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Tele-training and Tele-counselling thus allows the delivery of the same services to companies far from main industrial centres , training centres and counsellor offices , across France , Greece , Germany , Luxembourg and Spain . Comparison of plateau breakpoints for various parameters thus allows direct comparison of the minimum dietary Se requirements necessary for maximum expression of Se-dependent biochemical parameters . The contract thus allows the two parties to operate as one , and to divide the gains from the operation in a fashion that leaves neither unhappy and that results in no additional burdens being cast on third parties . The reason is that this approach is based only on optimization of an objective function , and it thus allows an efficient exploration of various representations of protein structure , methods of optimization , and objective function forms .