21. Network Rail implemented all the safety recommendations . 22. In 2012 the NTSB released seven safety recommendations to be applied to future air races. 23. _Thoroughly read the owner's manual and follow all operating instructions and safety recommendations . 24. Patients will be more closely supervised, and an expert on choking will make safety recommendations . 25. And President Bush announced safety recommendations that he said would thwart hijackers and restore public confidence. 26. But study-abroad programs are not required to follow these or any other safety recommendations . 27. The FAA typically takes time to review the board's safety recommendations before responding formally. 28. The NTSB considers safety recommendations to be its primary tool for preventing future civil transportation accidents. 29. Certain groups issued Aviation Safety Recommendations . 30. The transportation secretary also promised to move quickly in evaluating 70 safety recommendations drafted by conference participants.
