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 J01 Technology, Industry, and Agriculture D013676 +
  J01.576 Industry D007221 +
   J01.576.423 Food Industry D019649 +
    J01.576.423.500 Food Services D005522 +
     J01.576.423.500.500 Menu Planning D008612 

 N02 Health Care Facilities, Manpower, and Services D005159 +
  N02.421 Health Services D006296 +
   N02.421.242 Dietary Services D004045 +
    N02.421.242.472 Food Service, Hospital D005521 +
     N02.421.242.472.310 Menu Planning D008612