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spec: Together , these enforcement mechanisms ensure that the budget will be a useful tool of fiscal discipline that can no longer be ignored . Similarly , a 12-channel modulator may comprise 12 copies of the single-channel granularity design or three copies of the optimized 4-channel design . The ethylene will be processed from ethane extracted from natural gas . Only three copies of the flag were made . The participants -- from industry , academia , and government -- were nominated by fellow engineers or organizations and chosen from nearly 200 applicants . Please submit three copies of your materials to the Winter Term and International Center Office no later than Friday , April 7 , 2006 . However , how did the revolution act in the case ? All application forms must be completed in full , signed by the applicant or his authorized representative with proof of authorization , and shall be accompanied by three copies of all necessary exhibits . The ratings upon which most of the correlations of the following account were based were obtained in the following manner : Each student of a class of fifty-five men , representing all academic grades , but particularly Sophomores and Juniors , was given three copies of the Personality Rating Scale shown in Appendix A. Casebere flew on a mission to bomb deep in Germany , to land in Poltava .