1. People
   1. Subtopic 1
   2. Subtopic 2
2. Management
   1. Subtopic 1
   2. Subtopic 2
3. Process
   1. Subtopic 1
   2. Subtopic 2
4. Environment
   1. Subtopic 1
   2. Subtopic 2
5. Equipment
   1. Subtopic 1
   2. Subtopic 2
6. Materials
   1. Subtopic 1
   2. Subtopic 2