11.   That allows an ample safety margin because few of these cars can actually go that fast, according to the Ford document.

12.   That also suggests where safety margins can be increased.

13.   That suggested that there was no safety margin at all.

14.   The announcement is of interest because of controversy this fall over whether Ford had allowed an adequate safety margin in choosing tires for the vehicles.

15.   The announcement is of interest because of controversy this fall over whether Ford had allowed an adequate safety margin in choosing tires for the Explorer and Mountaineer.

16.   The speed rating of the typical chip contains a sizable safety margin.

17.   Their low prices give investors a safety margin in a high-priced market.

18.   The new regulation is aimed at further improving the safety margin around fuel tanks.

19.   The new special regulation is aimed at further improving the safety margin around fuel tanks.

20.   The space shuttle lacks a viable crew escape system for launch, something that is crucial if NASA hopes to achieve its desired safety margin, Smith said.