21. Systems for process control and protective relays used analog computation to perform control and protective functions . 22. Moreover, PER2 has protective functions in liver diseases, as it antagonizes hepatitis C viral replication. 23. All Indonesia deserves the benefits of these protective functions which a large part of the world already enjoys. 24. There are also sand dune belts which are managed for their protective function and as a wildlife habitat. 25. The Nieuwe Bildtdijk that was built in the 17th century made the Oude Bildtijk lose its protective function . 26. The protein serves a protective function by binding to pathogens and also functions in a cell signaling capacity. 27. The president has not himself invoked the protective function privilege nor has he instructed the witnesses to invoke it. 28. The Secret Service asks the court to recognize a new protective function privilege pursuant to federal Rule of Evidence 501. 29. We express no opinion about the propriety of asserting a protective function privilege in other legal proceedings . . .. 30. Antibodies may alternately form against and bind to IF, inhibiting it from carrying out its B 12 protective function .