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At the operational level , Type XXIs deployed in sufficient numbers to blanket the North Atlantic shipping lanes would minimize the need for shore-based command and control , and to the extent that two way communications between deployed submarines and headquarters remained necessary , they could be executed using the new " kurier " burst transmission technology introduced by the Germans at the end of World War II. Burst transmissions compressed HF signals enough to make it difficult to DF them . CMS alleges that with respect to Residents 16 and 21 , Petitioner failed to ensure the residents did not develop preventable pressure sores or ensure the residents received necessary services to promote healing . Record keeping became necessary because people wanted to compare a program 's current state with how it was at some point in the past . Thus Henry Adams , believing in the universal applicability of the second law of thermodynamics , predicted necessary cultural decline in The Degradation of Democratic Dogma , while Spengler espoused a theory of cycles that was neither democratic nor Christian . With respect to four residents , Petitioner failed to rebut CMS 's prima facie case that it did not ensure that residents who entered the facility without pressure sores did not develop them unless unavoidable and / or that residents with pressure sores received necessary treatment and services to promote healing , prevent infection and prevent new sores from developing . In other cases , it became necessary to include their voices so that they could explain that despite their seemingly healthy appearance , they were indeed suffering . Henry became involved in projects that enhanced the profession , and he provided necessary leadership to ensure the success of those projects . However , when redeployment to the Pacific area became necessary , Ground Forces once more examined the tables of organization and equipment . Today 's tort action to punish intentional infliction of emotional distress in a virtual reality or a listserv only became necessary with the rise of World Wide Web . While the residents at issue had compromised skin , Petitioner failed to show either that new pressure sores were unavoidable or that Petitioner provided necessary services to promote healing and to prevent infection of the pressure sores .