We only 11 method fundamental shift alone, very memorable ;). It is located in three main groups like this.

1. Copy: When requests no changes can we identical copy of it downstairs.
2. Removed: When requesting unnecessary , not feasible or does not match the other requirements we should abandon it.
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3. analyze: When the request is not atomic (no single) we can split it up into one or more requests
4. Combined: The requirement redundant and overlapping let combining them
5. Unified: When these requirements conflict uniform let them
6. Generalizable: Removing unnecessary details of the request
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7. Repair: Corrected spelling, syntax errors and error if no exact requirements
8. Make bright: Purification or explain the vague requirements
9. Full employment: If a request is incomplete, we need to add other requirements to complete it downstairs
10. More Details: If the requirements are not only accurate, add details to it
11. Qualify: Additional restrictions or conditions required for better quality