11.   She and her collaborators urged that federal regulations limit the muzzle velocity of air guns to speeds below those that can penetrate the skin or eyes.

12.   Such regulations could severely limit the market for new scooters.

13.   Surprisingly effective campaign-spending regulations have limited the usual flood of resources to the governing Institutional Revolutionary Party, or PRI.

14.   Tenneco Gas is selling as part of a strategy to shift much of its capital away from the U.S., where recently adopted regulations strictly limit its profit.

15.   To safeguard the public, federal regulations limit the number of consecutive hours airline pilots and truck drivers can work.

16.   Westport and Greenwich have avoided the problem because zoning regulations severely limit the size of commercial buildings.

17.   Current regulations limit share trading to the Shanghai and Shenzhen exchanges, although over-the-counter markets have been opened for corporate and state bonds, he said.

18.   Licensing regulations will limit the number of broadcast licenses a single company or shareholder can control.

19.   New regulations have also limited the activities of foreign journalists working in Vietnam and increased censorship.

20.   When regulations limited their use, the resistance problem dropped sharply.