21.   Some roller coasters have the additional protection of infrared light beams that give an alarm when there is someone or something blocking the track.

22.   The challenge is not just to increase coverage of basic vaccines but to add additional protections as well.

23.   The Capitol has developed a fairly extensive security apparatus over the years, with additional protections often being added after a violent incident.

24.   The law also provides additional protections for the privacy rights of offenders who commit the least-dangerous crimes.

25.   The noon spring season cutoff time is aimed at providing additional protection to the hens who tend to remain on their nests until midday.

26.   The North Dakota lawmaker joined a group of eight lawmakers seeking additional protection for farmers and ranchers in return for their support.

27.   The Police Department can use part of the rent money to provide whatever additional protection he might want.

28.   The proposed rules would provide additional protection for some sensitive personal information in mental health records, but not as much protection as many psychiatrists want.

29.   The Saudi royal family is not unaccommodating to U.S. requests for additional protection of American troops.

30.   The U.S. Food and Drug Administration issued a ruling in Washington late Thursday that grants three years of additional patent protection for drugmakers to use against generic competitors.